Martha Stewart appeared to mock Katy Perry's recent trip to space, joining other celebrity critics, including Olivia Wilde and Emily Ratajkowski.

The core stage for NASA’s Space Launch System (SLS) rocket, which is slated to launch astronauts around the moon since the ...

More states are lining up in a bid to host NASA’s headquarters, but the prize they seek may turn out to be smaller than they ...

Texas lawmakers urge the White House to move NASA's headquarters to Houston for cost savings and a focus on space exploration ...

The museum's executive director discussed issues, including fallen windowpanes and outdated mechanical and electrical systems, at the building.

Venus and Saturn will shine brightly, easily visible to the naked eye, but if you have a backyard telescope or binoculars, ...

Katy Perry went to space for just three minutes and returned to a storm of wild conspiracy theories. Social media was flooded ...

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

NASA will preview the upcoming spacewalk during a news conference at 2 p.m. EDT on Thursday, April 24, on the agency's ...

Duffy said the women, including Katy Perry and Gayle King, do not meet Federal Aviation Administration astronaut criteria ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after 220 days in orbit.