Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

A 140-foot space rock, Asteroid 2007 EG, will pass relatively close to Earth soon. Scientists say it’s harmless, yet they’re watching carefully. Why does this flyby matter for future asteroid defence?

NASA is preparing to conduct its first spacewalk at the International Space Station (ISS) in nearly a year, ending an ...

NASA astronauts will conduct a pair of spacewalks beginning Wednesday, March 18, outside of the International Space Station.

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare. See at time-lapse of ...

A solar eclipse recorded in ancient China more than 2,700 years ago is helping scientists refine measurements of Earth’s rotation and investigate the Sun’s past behavior.

New research provides a physics based solution for why we aren't hearing potential messages from alien civilizations.

NASA seems to be gearing up for one of its boldest missions yet. This isn’t just about planting a flag and snapping photos.

Two planets crashed into one another in a violent, chaotic collision that astronomers recently witnessed 11,000 light-years away from Earth.

This solar system montage of the nine planets and four large moons of Jupiter in our solar system are set against a false-color view of the Rosette Nebula Credit: NASA/JPL/ASU PEEC NEWS RELEASE ...

Math nerds and dessert enthusiasts unite to celebrate Pi Day every March 14, the date that represents the first three digits of the mathematical constant pi. The holiday was created in 1988 by Larry ...

The Aurora Borealis, or Northern Lights, are a staple of Alaskan culture and folklore. But behind the glow of red, purple, and green are solar flares and geomagnetic storms that influence life here on ...