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Sounding rocket takes a second look at the SunTom Woods knows about space gunk. [...]

NASA's record-breaking spacewoman retires as astronautNASA's record-breaking astronaut, Peggy Whitson, retired Friday less than a year after returning from her last and longest spaceflight. [...]

What's the minimum number of people you should send in a generational ship to Proxima Centauri?Humanity has long dreamed about sending humans to other planets, even before crewed spaceflight became a reality. And with the discovery of thousands exoplanets in recent decades, particularly those t [...]

Exploring planetary plasma environments from your laptopA new database of plasma simulations, combined with observational data and powerful visualisation tools, is providing planetary scientists with an unprecedented way to explore some of the Solar System [...]

A deep space communications hub in the desertWhen NASA engineers were looking for a place to build a network of large radio antennas in the 1950s, they knew they needed somewhere quiet. They were going to build a series of antennas with huge par [...]

Astronomers see distant eruption as black hole destroys starScientists get first direct images showing fast-moving jet of particles ejected as a supermassive black hole at the core of a galaxy shreds a passing star. [...]

Dust clouds can explain puzzling features of active galactic nucleiMany large galaxies have a bright central region called an active galactic nucleus, powered by matter spiraling into a supermassive black hole. Gas clouds around the AGN emit light at characteristic w [...]

Distant moons may harbor lifeResearchers have identified more than 100 giant planets that potentially host moons capable of supporting life. Their work will guide the design of future telescopes that can detect these potential mo [...]

Long suspected theory about the moon holds waterScientists have discovered a mineral known as moganite in a lunar meteorite found in a hot desert in northwest Africa. [...]

Researchers have confirmed that last fall's union of two neutron stars did in fact cause a short gamma-ray burst. [...]

NASA astronaut Peggy Whitson, who holds the U.S. record for most cumulative time in space, is retiring from the agency, effective Friday. [...]

Ice losses from Antarctica have tripled since 2012, increasing global sea levels by 0.12 inch (3 millimeters) in that timeframe alone, according to a major new international climate assessment funded [...]

NASA will host a media teleconference at 1:30 p.m. EDT Wednesday, June 13, to discuss a massive Martian dust storm affecting operations of the agency’s Opportunity rover and what scientists can learn [...]

NASA’s remotely-piloted Ikhana aircraft, based at the agency’s Armstrong Flight Research Center in Edwards, California, successfully flew its first mission in the National Airspace System without a sa [...]

NASA astronaut Nick Hague, along with his crewmate Alexey Ovchinin of the Russian space agency Roscosmos, will discuss their upcoming mission to the International Space Station in a news conference at [...]