Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

Imagine you're all alone, driving along in a rocky, unforgiving desert with no roads, no map, no GPS, and no more than one phone call a day for someone to inform you exactly where you are. That's what ...

NASA has released a nebula-like view of the SpaceX/NASA Crew-12 mission launching to the International Space Station atop a ...

The six-planet parade will feature Mercury, Venus, Neptune, Saturn, Uranus and Jupiter. Mercury, Venus, Saturn and Jupiter ...

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

NASA's Curiosity rover, which launched in 2011 from Florida, found signs of organic material that on Earth is most often ...

Our solar system may be the odd one out. Across the Milky Way, astronomers keep finding super-Earths, planets larger than our ...

Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet Tatooine, are so scarce in our galaxy — and it has to do with general relativity.

A “ring of fire” solar eclipse will be visible on Tuesday, with the best views in Antarctica and partial eclipse views in Africa and South America.

Scientists say aliens are not hiding in Area 51. Experts believe life may exist on distant planets with water and the right ...

We’ve learned that Earth-sized planets aren’t alone out there. Thanks to missions like NASA’s Kepler and TESS telescopes, we’ve spotted dozens of rocky worlds ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best ...