SpaceX is about to launch its Crew Dragon, and is making history by bringing back human spaceflight to U.S.

A time-lapse taken from the front of the International Space Station as it orbits our planet at night. This movie begins over the Pacific Ocean and continues over North and South America before entering daylight near Antarctica. Visible cities, countries and landmarks include (in order) Vancouver Is...

Astronomers have found the earliest stars in the universe After picking up faint signals from the earliest hydrogen gas ever detected, astronomers have found evidence of the very first stars in the Universe, according to a new study published in the journal Nature. The findings have also unexpectedl

A flurry of solar activity in early March dumped enough heat in Earth's upper atmosphere to power every residence in New York City for two years. The heat has since dissipated, but there's more to come as the solar cycle intensifies.

From 230 miles overhead, International Space Station external and crew-tended cameras captured video of the wildfires burning in central Texas to the southeast of the capitol of Austin at 12:07 p.m. Eastern time on Sept. 6, 2011. The video was accompanied by comments on the wildfires by Expedition 2...

On May 25, 2012 SpaceX made history when the Dragon spacecraft became the first privately developed vehicle in history to successfully attach to the International Space Station. Previously only four governments -- the United States, Russia, Japan and the European Space Agency -- had achieved this fe...

From land to sea to space, the world’s scientists are using incredible tools to uncover our planet’s history and tell us where we are headed. These are the top 10 largest mega-tools of science.

A large Chinese rocket that was orbiting earth out of control has finally made impact, landing in the Indian Ocean close to the Maldives.

Dr Tony Padilla on some recent work he has been doing on the ultimate faith of the universe.

Brian Randolph Greene is an American theoretical physicist and string theorist. He has been a professor at Columbia University since 1996 and chairman of the World Science Festival since co-founding it in 2008. He stopped by The Late Night Show with Stephen Colbert to demonstrate an exciting new sci...