Nova

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

It's hard not to notice: our weather is changing. From longer, hotter heat waves, to more intense rainstorms, to megafires and multi-year droughts - the U.

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

See the epic 3-billion-year story of how our continent came to be.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

In 2018, Italy's Morandi Bridge collapsed, killing 43 people.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

A.I. tools like ChatGPT seem to think, speak, and create like humans.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

Fifty years after humans first set foot on the moon, new scientific discoveries are fueling excitement for a return to the lunar surface this time, perhaps, to stay.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

When the colossal Ever Given container ship crashed into the bank of the Suez Canal in March 2021, international supply chains ground to a halt.

When the colossal Ever Given container ship crashed into the bank of the Suez Canal in March 2021, international supply chains ground to a halt.

An inventor of bionic limbs teams up with an injured climber and a leading surgeon to test a new amputation technique that allows prosthetic limbs to move and feel like the real thing.

An inventor of bionic limbs teams up with an injured climber and a leading surgeon to test a new amputation technique that allows prosthetic limbs to move and feel like the real thing.