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NASA has a lot of high-tech hardware cruising around in space right now, but one of the space agency's pint-sized exoplanet hunters appears to have gone dark. In a post by NASA's Jet Pr...

"For a long time, I assumed there was something wrong with the data interpretation," said astrophysicist Duane Pontius, who developed a theoretical model that played a role in the discovery of geysers on Saturn's moon Enceladus. "It's

It's a supergiant star in the final stage of its life, and it just dimmed by an enormous amount. What's going on?

The European Space Agency (ESA)'s Characterising Exoplanets Satellite (CHEOPS) will study its targets in front of their host stars just like other exoplanet-hunting telescopes. So, what makes it different from the others?CHEOPS

The CHaracterising ExOPlanet Satellite was successfully launched by a Soyuz rocket, which blasted-off from the Russian Soyuz Guiana Space Center in French Guiana at 3:54 a.m. ET.

The capsule may land Sunday (Dec. 22), six days earlier than planned.

Scientists compare old views of the sky to what we see today and found that at least 100 stars appear to have vanished, or were perhaps covered up.

Recently Retired USAF General Makes Eyebrow-Raising Claims About Advanced Space Technology Authored by Brett Tingley via TheDrive.com, Recently retired U.S. Air Force Lieutenant General Steven L. Kwast gave a lecture last month that seems to further signa

The European Space Agency is about to launch a mission to study known exoplanets in greater detail, giving us a better glimpse of the potential for extraterrestrial worlds to host life.

NASA has created a map showing how water is distributed on Mars. The water is frozen under the surface of the planet, and some of it is only 30 cm (12 inches) deep. At that depth, astronauts won't need a machine to access it: just a shovel. Ancient Ma

Mars from Hubble: Astronomers took advantage of a rare close approach by Mars in 2001. When the Red Planet was just 43 million miles away, Hubble snapped this picture with the WFPC2. It has a surface resolution of just 10 miles. This is the best image we&

“If you could imagine a trash bag that’s two miles in diameter floating, translucent."

A new method might tell scientists whether or not a rocky exoplanet—the kind of exoplanet most similar to Earth—has an atmosphere.

And one of our planets has the orbiting moons to prove it.

Astronomers from around the world just confirmed the existence of an entirely new planet. It was first spotted by NASA's TESS (Transiting Exoplanet Survey Satellite) and then confirmed after ...

A giant planet wildly careening around a star may not prevent an Earth-size planet from staying in a stable orbit friendly to life as we know it, a new study finds.

As scientists scramble to determine whether there is life on Mars, Ohio University Professor Emeritus William Romoser's research shows that we already have the evidence, courtesy of photographs from various Mars rovers.

Brenda Culbertson, local NASA ambassador, explains Monday's Mercury transit, which is when Mercury is visible as a small dot gliding across the face of the sun. This only happens about 13 tim...

This artist's impression shows a view of the planet Proxima b orbiting the red dwarf star Proxima Centauri, the closest star to the solar system. NASA/ESO/M. Kornmesser Within just 50 light-years from Earth, there are about 1,560 stars, likely orbited

The glow of the Milky Way—our galaxy seen edgewise—arcs across a sea of stars in a new mosaic of the southern sky produced from a year of observations by NASA's Transiting Exoplanet Survey Satellite (TESS). Constructed from 208 TESS images