Proxima c appears to be at least 5.8 times as big as Earth.
Dan Carlson says drones have flown after dark near his Nebraska farm four times this year. He suspects military involvement. U.S. Air Force officials overseeing dozens of nuclear missiles scattered across the region deny any role in the drone sightings.
Sifting through a mound of data from a telescope orbiting Earth, a teenaged intern at NASA discovered a planet some 1,300 light-years away.
The graduating class includes 11 NASA candidates and two Canadian Space Agency candidates, they were all selected from more than 18,000 applicants.
Last night’s SpaceX satellite launch from Cape Canaveral Air Force Station was the first mission conducted with the support of the nation’s newest military service, less than a month after President Trump signed the bill authorizing its creation.
Since its launch in April 2018, NASA's Transiting Exoplanet Survey Satellite (TESS) has found a great number of exoplanets, including a so-called "missing link."
NASA released images showing the devastation from the bushfires burning all over Australia.
A massive red star called Betelgeuse that is most well-known as the bright upper shoulder in the constellation Orion has been acting strangely recently, and astronomers say there's potential for the star to explode as a supernova at any moment.
The U.S. Federal Aviation Administration on Thursday proposed a rule that would allow for the remote tracking of most drones in U.S. airpace within three years.
A partial annular solar eclipse will light up sky with a "ring of fire" on Dec. 26.
Here's how to see the 2019 Ursid meteor shower.
The capsule is still in space and will be brought back to Earth, landing in New Mexico as early as Sunday.
Charlie Blackwell-Thompson will be the Launch Director when we send man back and the first woman to the moon.
NASA's Hubble Space Telescope snapped a stunning picture of a galaxy about 50 million light-years away.
The Geminid meteor shower is considered one of the best annual sky shows.
A capsule full of supplies and experiments was scheduled to be on its way to the space station, but the afternoon launch from Cape Canaveral was scrubbed because of upper-level winds.
NASA has spotted "battling galaxies" in deep space, courtesy of the Hubble Space Telescope.
A rare cosmic spectacle is likely to occur on Thursday night if the alpha Monocerotid meteor shower turns into a meteor storm like astronomers are predicting.
A study looking into how zero gravity can affect blood flow in the body showed astronauts staying onboard the International Space Station for long periods of time can face health risks.
The Leonid meteor shower will peak over the weekend into Monday, bringing up to 15 shooting stars per hour.