NASA's Opportunity rover has found veins of a mineral that appears to be gypsum, and which could only have been deposited by flowing water.
The tidal wave that hit Japan in March was formed by two separate tsunamis, in a phenomenon that had been theorized but never before observed.
The introduction of the Clean Air Interstate Rule in 2005 has led to a big reduction in pollution from eastern US coal power plants, data from NASA's Aura satellite shows.
NASA has confirmed that its Curiosity rover will depart for Mars on November 26 from Space Launch Complex-41 at Cape Canaveral Air Force Station, Florida.
The term's used to describe explosive volcanic eruptions that eject about ten thousand times the quantity of magma and ash as Mount St Helens, one of the most explosive eruptions in recent years.
NASA is in the final stages of preparing its Mars Curiosity rover for a launch from Florida's Space Coast on November 25.
NASA's explained - with some weariness, one imagines - that next year really isn't going to see the release of any massive solar flares which could destroy the Earth.
A Russian Soyuz spacecraft blasted off successfully for the International Space Station late last night, carrying one American and two Russian astronauts.
NASA engineers have produced the blackest stuff ever created - a material that absorbs more than 99 percent of the ultraviolet, visible, infrared, and far-infrared light that hits it.
NASA's Hubble Space Telescope has identified 18 "tiny" galaxies which existed 9 billion years ago and are brimming with star birth.
NASA has released an animated clip depicting the proposed 2014 test flight of its Orion spacecraft.
NASA is planning to conduct an unmanned flight test of its Orion spacecraft in early 2014.
NASA's Deep Space Network antenna has captured new radar images of Asteroid 2005 YU55 as it approaches Earth in what's set to be the closest approach of a big asteroid ever recorded.
NASA’s Cassini spacecraft is on track to acquire the first detailed radar images of Saturn's moon Enceladus during a flyby on Sunday, November 6.
If astronauts make it to Mars, they may not be able to see it very well, a NASA study has shown.
NASA is conducting aerial surveillance missions to monitor a massive crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica.
A team of NASA scientists is looking at ways of using Star Trek-style tractor beams to reel in scientific samples in space.
If you have any moon rocks at home you may want to forget about ever trying to sell them. A California grandma learned the hard way that the feds don’t like it when you try to sell moon rock dust.
NASA telescopes have helped solved an ancient mystery that began nearly 2,000 years ago when Chinese astronomers witnessed what turned out to be an exploding star in the sky.
There's still a considerable hole in the Antarctic ozone layer, say scientists, with this year's peak the ninth largest in the 26 year record.