Graphic visualisation of NASA's Solar Dynamics Observatory (SDO) shows a vast 500,000 mile-wide coronal hole in the sun's ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

The sun's distance from Earth changes throughout the year but it has nothing to do with the seasons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

While G1 storms are considered the mildest category, they can still have noticeable effects, particularly in terms of aurora ...

The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan. 15, and ...