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Science

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

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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.
6d 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.
6d 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
7d ago

Blood-soaked shoreline leaves locals shaken after annual dolphin hunt in Faeroe Islands

"It's absolutely appalling to see an attack on nature of this scale," Sea Shepherd Global CEO Alex Cornelissen said.
Image: white-sided dolphin hunt
Image: white-sided dolphin hunt

Americans' views on global warming haven't changed. They're an outlier, survey shows.

In some countries, the number of people "very concerned" about the personal impact of climate change more than doubled. In the U.S., it's flat.
Image:
Image:
7d ago

The asteroid 'Kleopatra' is challenging what we know about the solar system

Studying unusual asteroids can reveal clues about the solar system — and this is one of the most unusual.
Image: Dog Bone Asteroid
Image: Dog Bone Asteroid

Climate change could trigger migration of 216 million people, World Bank warns

The migration would be largely within countries where rising sea levels, water scarcity and declining crop productivity would lead to stress on cities and urban centers areas.
Mekong Delta.
Mekong Delta.

Small world: See a louse leg and a rat embryo up close

Take a tour of a mouse's anatomy, marvel at hundreds of thousands of neurons and more amazing views through the lens of a microscope.
Nikon Small World gallery.
Nikon Small World gallery.

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