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Science

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

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Covid deaths in U.S. hit lowest level in 10 months

Vaccines have been crucial to declining deaths and coronavirus cases, experts say.
A group of friends, who said they are fully vaccinated for Covid-19, relax on the beach in the Venice section of Los Angeles on May 5, 2021.
A group of friends, who said they are fully vaccinated for Covid-19, relax on the beach in the Venice section of Los Angeles on May 5, 2021.
1d ago

NASA spacecraft detects a constant 'hum' deep in the cosmos

The faint vibrations were first picked up in 2017 by the Voyager 1 probe, which has spent almost a decade journeying through interstellar space.
Image: Voyager 1
Image: Voyager 1
1d ago

NASA's James Webb Telescope undergoes final tests ahead of October launch

With its infrared eyes, the next-generation observatory will be able to study some of the oldest and most distant stars in the universe.
Image: The conclusion of this test represents the team’s final in a long series of checkpoints designed to ensure Webb’s 18 hexagonal mirrors are prepared for a long life of profound discovery.
Image: The conclusion of this test represents the team’s final in a long series of checkpoints designed to ensure Webb’s 18 hexagonal mirrors are prepared for a long life of profound discovery.

Shrunken head artifact used as prop in John Huston film revealed to be human

Researchers say their tests show the object is what it was supposed to be — a genuine shrunken human head — opening the door to its return to Ecuador.
Image: The tsansta was used as a prop in the 1979 John Huston movie Wise Blood.
Image: The tsansta was used as a prop in the 1979 John Huston movie Wise Blood.
4d ago

China defends handling of rocket that fell to Earth

Booster rockets usually fall back to Earth soon after takeoff. China’s space agency hasn’t said why the Long March was sent temporarily into orbit.
Image: Long March 5B rocket
Image: Long March 5B rocket

String of satellites baffles residents, bugs astronomers

This month, SpaceX has already launched dozens of satellites. It is all part of a plan to bridge the digital divide and bring internet access to underserved areas of the world.
A string of SpaceX StarLink satellites passes over an old stone house near Florence, Kan., on May 6, 2021.
A string of SpaceX StarLink satellites passes over an old stone house near Florence, Kan., on May 6, 2021.

A giant sequoia in California is still smoldering from last year's wildfires

The burning tree was found by the National Park Service during surveys in the area to assess damage from the 2020 Castle Fire.
A single burning giant sequoia in Board Camp Grove from the 2020 Castle Fire in the southwestern area of Sequoia National Park.
A single burning giant sequoia in Board Camp Grove from the 2020 Castle Fire in the southwestern area of Sequoia National Park.
6d ago

Huge Chinese rocket is hurtling toward Earth — but no one knows where

There is a tiny chance the debris could hit New York, Los Angeles, Madrid, Rio de Janeiro, the Nigerian capital of Abuja or Beijing.
Image: FILE PHOTO: Long March-5B Y2 rocket, carrying the core module of China's space station Tianhe, takes off from Wenchang
Image: FILE PHOTO: Long March-5B Y2 rocket, carrying the core module of China's space station Tianhe, takes off from Wenchang

Is San Francisco on the verge of a herd immunity breakthrough? Experts are optimistic

The city kept case numbers low, and it has one of the highest vaccination rates of any major U.S. city. Now comes the real test.
San Francisco Giants fans Dave Harding, center, and his wife, Nancy Faltisek, check in at one of the vaccination/negative test verification booths before being admitted to Oracle Park on April 9, 2021, in San Francisco.
San Francisco Giants fans Dave Harding, center, and his wife, Nancy Faltisek, check in at one of the vaccination/negative test verification booths before being admitted to Oracle Park on April 9, 2021, in San Francisco.

China’s emissions exceed those of U.S. and developed countries combined, report says

The findings come after a climate summit during which Chinese President Xi Jinping reiterated his pledge to make sure the nation’s emissions peak by 2030.
People tend to vegetables growing in a field as emission rises from cooling towers at a coal-fired power station in Tongling, Anhui province, China, on Jan. 16, 2019.
People tend to vegetables growing in a field as emission rises from cooling towers at a coal-fired power station in Tongling, Anhui province, China, on Jan. 16, 2019.
8d ago

Jeff Bezos' Blue Origin is auctioning off a seat on its first space tourism flight

The first flight of the company's New Shepard rocket and capsule will take place July 20 and one seat will be auctioned off to the highest bidder.
The same New Shepard booster that flew to space and then landed vertically in November 2015 has now flown and landed again.
The same New Shepard booster that flew to space and then landed vertically in November 2015 has now flown and landed again.