Key Findings It may not need to strike Earth to become a threat. Our defensive playbook was built for rocks, not unknown ...

On Nov. 29, 1961, Enos the chimp was launched from Cape Canaveral aboard the Mercury-Atlas 5 spacecraft, which orbited Earth ...

Key Takeaways The images now tell a story that no agency can safely ignore. Our defense posture was built for rocks and ...

Nov. 28 (UPI) -- SpaceX on Friday launched 140 payloads, the 19th mission of the Smallsat Rideshare program from California.

CAPE CANAVERAL, Fla. (AP) — A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly ...

NASA astronaut Chris Williams will launch on Thanksgiving to the ISS on a Roscosmos Soyuz MS-28 spacecraft from the Baikonur ...

Texas A&M University students digitize NASA scientist John Charles’ papers into an aerospace medicine library that's already aiding researchers.

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...

The Pentagon on Monday threatened to recall U.S. Senator Mark Kelly, a retired Navy captain, to active duty status in order ...

WASHINGTON >> The Pentagon today threatened to recall U.S. Sen. Mark Kelly, a retired Navy captain, to active duty status in ...

The Pentagon says it's opening an investigation into Arizona Sen. Mark Kelly in the wake of a video of Democratic lawmakers ...