NASA astronaut and Pittsburgh area native Mike Fincke revealed Wednesday he was the one who needed medical attention that required SpaceX Crew-11’s early return in January. In a statement posted to NASA’s website, Fincke said that on Jan. 7, he ex…

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs. And researchers are struggling to explain them.

Officials expect the investigation into a booster anomaly on ULA's Vulcan rocket to last multiple months.

These guys calmly explain a scene that could be straight out of a cosmic horror movie.

Decades-old toxic barrels are still leaking off California’s coast, carving ghostly white scars into the deep ocean floor and disrupting life below.

Nearly 3,000 meters below the Pacific, an expedition camera locked onto a seafloor formation so sharply geometric it triggered stunned reactions aboard the ship.

: So say Oxford boffins who found 'bias' related to Apollo rock samples created false impression

Undocking is expected at 12:05 p.m. ET today (Feb. 26).

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans