SpaceX's Falcon 9 rocket pulls off tougher second landing on a droneship barge at sea.
Renowned physicist Stephen Hawking and Russian-born billionaire announce new quest for space exploration.
By Daniel Costa-Roberts
Four failed attempts and years of effort paid off Friday, as the SpaceX Falcon 9 rocket booster re-entered Earth's atmosphere and lowered itself vertically onto a floating platform in the Atlantic Ocean -- the company's first successful landing at sea.
Radioactive stardust confirms the two closest supernovae to ever explode near Earth. The most recent of the pair may have altered human evolution.
By Vikram Mansharamani
Tinkering in the heavens has emerged as an important plank of China’s geopolitical strategy.
By Nsikan Akpan
NASA's New Horizons mission to Pluto continues to astonish in new set of five studies on the dwarf planet.
At 2 p.m. EST today, astronaut Scott Kelly will be live from NASA’s Johnson Space Center in Houston, where he will share his personal perspective on his 340-day mission in space.
Scientists use a telescope in Chile to complete a survey of the coldest parts of the Milky Way's galactic plane.
By PBS NewsHour
How hard is it to prepare food in space? It’s one of the challenges astronaut Scott Kelly faces during his year aboard the International Space Station, the longest space mission in American history.
By Victoria Pasquantonio
More than 400 teachers from 40 different states and seven countries ventured to Texas for a three-day space conference sponsored by Space Center Houston, a nonprofit organization backed by the support of NASA’s Johnson Space Center.
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