If our solar system seems stable, it's because our short lifespans make it seem that way. Earth revolves, night follows day, ...

NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.

China's Shijian-21 and Shijian-25 satellites had been moving toward each other in geosynchronous orbit, around 22,236 miles ...

Record-high greenhouse gas emissions are set to exhaust the planet’s “carbon budget” within three years, passing another ...

Regardless of Musk's ambitions, leaving Planet Simple demands more than a rocket: We need a paradigm shift in how we ...

Every breath we take in contains 21% oxygen, the gas that makes life on Earth possible. Oxygen, in its combined oxide state, ...

Earth is no longer at risk of a direct collision with the asteroid 2024 YR4, but an impact on the moon in 2032 could send ...

The strength of Earth’s magnetic field and the amount of oxygen in its atmosphere seem to be correlated—and scientists want ...

Twenty-eight new SpaceX Starlink satellites are now in low Earth orbit, having launched from Florida early Wednesday morning ...

Scientists have never directly detected dark matter, but some wonder if one high-energy detection in 2023 could be a rare ...

Forecasters are closely watching sunspot region 4114, which remains Earth-facing and shows signs of magnetic instability.

ET, sunspot region 4114 released an X.12 class solar flare that caused a radio blackout over the Pacific Ocean, including ...