Learn about geologic formation on Mars that resemble spiderwebs, serving as records of ancient groundwater flow on the planet ...

It’s a conundrum.” ...

This is your final weekend to catch February’s fading 6-planet lineup or "planet alignment". Here’s what’s still visible — ...

New research using NASA’s James Webb Space Telescope examines the maximum sizes of gas giant exoplanets, measuring chemical compositions and formation processes in the HR 8799 system.

Potomac, Maryland, native Christopher Williams is one of the seven astronauts and cosmonauts currently aboard the ...

While sifting through the extensive data collected by NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft over the last decade, scientists discovered a familiar type of electromagnetic ...

There's a whole slew of objects that astronomers aren't sure whether to classify as "failed stars" or "overgrown planets." ...

Stargazers are in for a treat this week as six planets align over Georgia. What is a planet parade? When is it? Where to look ...

A large planetary alignment will be visible after sunset. Learn which planets you can see and when the next alignments happen.

Stargazers of Arizona, keep your eyes skyward on early Saturday evening for a cosmic spectacle. A rare six-planet alignment will occur on Feb. 28 as Mercury, Venus, Saturn, Jupiter, Uranus and Neptune ...

For decades, many scientists believed that most of the water in our planet came from space, transported by meteorites and comets during the first moments of ...

Look to the skies in Alabama on Satuday. 6 planets are about to align in a stunning sky 'parade.' Can you spot them all?