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Science

The latest science news, photos and videos covering space, the environment, human development and more.

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Ghost forests creep up U.S. East Coast

New Jersey's Atlantic white cedar forests are turning from green to a pale white, a sign of creeping sea levels and more frequent superstorms.
Climate change is causing whole forests to die, like this one in New Jersey. The Atlantic White Cedar is particularly vulnerable to changes in the environment like salt water intrusion from storm surges and sea level rise.
Climate change is causing whole forests to die, like this one in New Jersey. The Atlantic White Cedar is particularly vulnerable to changes in the environment like salt water intrusion from storm surges and sea level rise.

Stone Age footprints are earliest evidence of humans in North America

The footprints, the earliest firm evidence for humans in the Americas, show that people must have arrived here before the last Ice Age.
New research into the ancient footprints at White Sands National Park establishes they are the earliest-known evidence of humans in North America.
New research into the ancient footprints at White Sands National Park establishes they are the earliest-known evidence of humans in North America.

'Grow up': U.K.'s Boris Johnson says world must face climate change

The British prime minister is due to host a major United Nations climate summit in Glasgow, Scotland in six weeks’ time.
Image: British Prime Minister Boris Johnson addresses the 76th Session of the U.N. General Assembly in New York City
Image: British Prime Minister Boris Johnson addresses the 76th Session of the U.N. General Assembly in New York City

Climate change may trigger migrations around the world. They've already started in Guatemala.

Starving and in debt, farmers whose land has been destroyed by climate-related weather events are becoming migrants.
Malnourished children,
Malnourished children,

Inspiration4 astronauts give St. Jude’s patients a tour of Dragon capsule

The Inspiration4 crew were all smiles as they gave a tour of the Dragon capsule and video chatted with patients from St. Jude. The mission is raising funds for the children’s hospital and cancer research.
Inspiration4 astronauts give St. Jude’s patients a tour of Dragon capsule
Inspiration4 astronauts give St. Jude’s patients a tour of Dragon capsule

Exclusive: Inside look at world’s first 3D-printed rocket

It once took thousands of American engineers decades to get something into space. Now Relativity Space says its 3D printers can make a rocket in as little as two months. With a first launch planned for 2022, NBC News’ Jacob Ward speaks with CEO Tim Ellis about cutting down on the cost of space travel and his dream of bringing people to Mars.
Exclusive: Inside look at world’s first 3D-printed rocket
Exclusive: Inside look at world’s first 3D-printed rocket

Ozone hole over Antarctica larger than usual, scientists say

Atmospheric ozone absorbs ultraviolet light coming from the sun. Its absence means more of this high-energy radiation reaches Earth, where it can harm living cells.
Image: Ozone hole South Pole
Image: Ozone hole South Pole

Ancient handprints pre-dating earliest cave paintings may be the oldest-known art

A new study of handprints found in Tibet theorizes that they could be the earliest work of art ever found. Some experts are skeptical.
Researchers think the hand and footprints were made deliberately by two children on soft limestone deposited around hot springs between 169,000 and 226,000 years ago.
Researchers think the hand and footprints were made deliberately by two children on soft limestone deposited around hot springs between 169,000 and 226,000 years ago.
11d ago

SpaceX makes history with first all-civilian spaceflight

The four-person crew will now spend three days in orbit around Earth before re-entering the atmosphere and splashing down in the Atlantic Ocean.
12d ago

All-civilian SpaceX crew set to launch into orbit in historic mission

The three-day expedition will be the first mission to space without any professional astronauts on board.
Chris Sembroski, Sian Proctor, Jared Isaacman and Hayley Arceneaux make up the SpaceX Inspiration4 crew.
Chris Sembroski, Sian Proctor, Jared Isaacman and Hayley Arceneaux make up the SpaceX Inspiration4 crew.

Civilian astronauts set to blast off in Inspiration4 launch

The four non-professional astronauts trained for six months ahead of the launch, and will orbit Earth for three days. SpaceX founder Elon Musk believes spaceflight will one day be routine, like airline travel.
Civilian astronauts set to blast off in Inspiration4 launch
Civilian astronauts set to blast off in Inspiration4 launch

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