Our gleaming blue marble of a planet is a treasure that shimmers and sparkles in the darkness of space. Most of humanity will ...

The ion tail of C/2023 A3 (Tsuchinshan-ATLAS) could appear as a blue streak across the northern hemisphere sky during October ...

A SpaceX Falcon 9 rocket snapped a pretty special in-space selfie on Monday (Oct. 7). The shot, captured during the launch of ...

Before Earth became the blue planet, it was engulfed by a very different kind of ocean: a vast, deep magma ocean reaching ...

Sergio Díaz Ruiz uses satellite imagery to explore climate change by creating an image of Earth as it might be analysed by a ...

This 2015 photo from the International Space Station showcases the deep tidal channels that cut through a line of cays in the ...

On Sunday, September 29, our planet captured the tiny asteroid named 2024 PT5, turning it into a temporary mini-moon.

The world—which orbits Barnard's Star, just six light-years from us—has a year that lasts barely three Earth days.

People across the U.S. caught a glimpse of the northern lights last night as a geomagnetic storm roiled in our atmosphere.

Last week, my column contained various quotes from astronauts about how their experience of viewing the Earth from the heavens changed them. Curiously enough, I had to omit several of ...

Mars and the Moon are the only two places Prof Cox could imagine seeing anybody visit and begin to build a permanent presence ...

Astronomers uncovered new details of gas flows that sculpt planet-forming disks and shape them over time, offering a glimpse ...