Around two million years ago, human ancestors cohabited on Earth with saber-toothed tigers, giant sloths, and mastodons, ...

Clouds don't just block our view of the sky, they also block our view of Earth's surface from space. Many satellite images taken of Earth have a "cloud mask" attached to them.

A study has suggested that this motion of our star through the galaxy potentially takes us through regions of space that could affect our planet's climate. According to the study, the Solar System may ...

NASA astronaut Don Pettit captured the Milky Way and two distant galaxies in a single long-exposure image taken from the International Space Station.

Witness live views of Earth from the International Space Station as it orbits the planet. Space streaming company Sen is broadcasting 24/7 from the ISS in beautiful 4K HD.

Crystal clouds on a distant world may shimmer like sun dogs, hinting at exotic optics shaped by heat, wind, and starlight.

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

Past analysis of data from NASA’s CERES (Clouds and the Earth’s Radiant Energy System) instruments has shown that since 2005, there has been an increase of 0.47 watts per square meter per ...

The Very Large Telescope in Chile has found, for the first time, an infant planet nestled in spiral arms of dust around a distant sun-like star.

NISAR, built jointly by NASA and India’s space agency and launched on Wednesday, will use radar to monitor tiny changes ...