Amazing Mars landings. Incredible cosmic discoveries. Spectacular sights in our skies. This year has delivered a steady stream of astronomy and space stories, and while it wasn't easy to choose among ...

Rovers, orbiters and a helicopter, oh my! When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Mars exploration took some big steps forward in 2021.

NASA's Perseverance rover has recorded the first evidence of electrical activity on Mars that a scientist described as "mini ...

In 2021, scientists studying Mars' core found it to be surprisingly large and light. Now, we might have an explanation for the strange measurements. When you purchase through links on our site, we may ...

Other highlights included NASA flying a helicopter on another world for the first time, and Star Trek's William Shatner travelling to the edge of space. There were dozens of exoplanets discovered, the ...