Space nerds, rejoice! A fully-stacked, 20-story tall space shuttle will soon be on display at a brand new exhibit, appearing ...

A coalition of New Mexico residents are pushing to save the nearly 80-year-old Sunspot Solar Observatory in the Sacramento ...

Celebrating America's 250th birthday, Space.com looks back at what our understanding of space was like in 1776 and what major developments occurred to change our thinking.

A first-of-its-kind mission launched Friday in the hopes of preventing NASA’s Swift Observatory from dropping out of low-Earth orbit.

Forced to develop the technology from scratch, a Chinese team says it achieved 14 hours of continuous operation in space China has tested a satellite engine with a record-breaking operating life, a ...

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Here’s how to see the year’s most-intense meteor shower, a blood-red lunar eclipse and Saturn’s refreshed rings this summer.

A refrigerator-size spacecraft will try to grab onto Swift and nudge it to a higher orbit, enabling it to continue observing powerful cosmic explosions.

The last time America celebrated a big anniversary, I was all of three years old. Even so, I retain a few fuzzy memories from ...

A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.

A homegrown team of engineers is turning plants into the next generation of tech and things you use every day.