On Monday, scientists announced the first-ever observation of a cosmic event using both gravitational wave detectors and conventional telescopes. They witnessed a kilonova, a violent, brilliant explosion that occurs when two neutron stars collide. The discovery was a massive undertaking. Thousands o...

With the STS-133 crew in tow, space shuttle Discovery lifted off from the Kennedy Space Center on Thursday, Feb. 24. at 4:53 p.m. Eastern -- her final ride ...returning on Wednesday, March 9, 2011 at 11:56 AM ET

Astronomers are combing through fresh data from the James Webb Space Telescope in a never-ending quest to find ever-more-distant galaxies. However, the observatory is still studying a variety of objects, from insanely detailed images of Jupiter to the most distant known star.

The first American woman in Space talks about her historic flight on NASA's 50th anniversary. She flew aboard Space Shuttle Challenger in June 1983 on the STS-7 mission.

100 million pieces of “space junk” currently orbit our planet at 17,500 miles per hour. Adrift investigates the fate of these interstellar objects, which threaten to collide with and destroy satellites and spacecraft.

Director and producer Cath Le Couteur recruited Sally Potter to narrate the fil

This artist's concept animation depicts key events of NASA's Mars Science Laboratory mission, which launched November 26, 2011 and it is schedule to land in Mars on August 6, 2012.

Watch the launch of the James Webb Space Telescope—the most powerful space telescope ever made. This mission is scheduled to lift off at 7:20 a.m. EST (12:20 UTC), Dec. 25, 2021, aboard an Ariane 5 rocket from Europe’s Spaceport in French Guiana. With revolutionary technology, Webb will observe a pa

Hauser performing Song from a Secret Garden. Hauser performing Song from a Secret Garden by Secret Garden with the Zagreb Philharmonic Orchestra at his classical solo concert at the Lisinski Concert Hall in Zagreb, October 2017.Elisabeth Fuchs, conductor Filip Sljivac, piano 2 CELLOS

A mysterious and intense X-ray source near the black hole shines onto the surface layers of the accretion disk, causing iron atoms to radiate characteristic emission -- what astronomers call the iron K line -- at about 6,000 to 7,000 electron volts. The inner part of the disk is orbiting the black h...

Shuttle Endeavour's six astronauts have checked the systems they need to bring NASA's next-to-last space shuttle flight to an end. They are expected to land early Wednesday Morning June 1st, 2011.