space
The latest news on space
The telescope has discovered more than 132 potentially habitable planets since being launched in 2009.
The sun unleashed two X-class flares on Sunday and Monday, the largest of the year.
The International Space Station's cooling system began leaking Thursday.
If not plugged, the station could have to shut down part of its cooling system.
Liquid salt can be used to power spacecraft.
Buzz Aldrin says the 'planetary defense exercise' is a waste of time.
The billionaire businessman plans to launch his Inspiration Mars trip in 2018.
The mission is designed to test NASA's spacecraft, with side benefit of creating an asteroid defense capability.
If antimatter resists gravity, many of physics' biggest questions would be answered.
The hurricane has wind speeds of up to 330 mph and is about 20 times larger than most hurricanes on Earth.
