NASA lander InSight falls silent after 4 years on Mars

InSight arrived at Mars in 2018, recording more than 1,300 marsquakes and even documenting a Martian dust devil not just in pictures, but sound.

Geminid meteor shower peak: When and where you can see it

Some Americans will have clear skies during the meteor shower, but cloudy weather will make stargazing a challenge for many other people across the country.

Mars rover captures 1st sound of dust devil on red planet

What's a dust devil sound like on Mars? A NASA rover by chance had its microphone on when a whirling tower of red dust passed directly overhead, recording the racket.

Fusion breakthrough at Livermore Lab is a milestone for climate, clean energy

Researchers at the Lawrence Livermore National Laboratory in California for the first time produced more energy in a fusion reaction than was used to ignite it, something called net energy gain.

Oldest DNA reveals what life was like in Greenland 2 million years ago

Scientists have discovered the oldest known DNA and used it to reveal what life was like 2 million years ago in the northern tip of Greenland.

Steve Aoki, T.O.P. among crew for SpaceX's privately-funded moon mission

Japanese billionaire Yusaku Maezawa has selected eight people as crew members for his private flight around the moon on a SpaceX spaceship.

SpaceX blasts another batch of internet satellites into orbit -- for a competitor

It was another seemingly routine mission for SpaceX, which has now launched over 3,000 small satellites into space as the company builds out its Starlink constellation. But this time, the payload belonged to OneWeb, something of a Starlink competitor.

Drug to prevent Alzheimer's? Study to begin enrolling young participants in ultimate test

Unlike most other Alzheimer’s prevention trials, this one will enroll people up to 25 years before the expected onset of dementia. Some participants could be as young as 18.

NASA's most requested photo, the ‘Blue Marble', turns 50

It’s an iconic photo of our home planet: The wispy white clouds and ice caps swirling with the blues and tans of the land and sea – all standing in stark contrast to the blackness of space. But you may not know the full story behind this unique view of Earth.