Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

Recently, in a “wild” new spin on the theory, known as directed panspermia, it’s been suggested that “aliens sent microbes or ...

While opposition itself is a one-night event, taking place on Sept. 21, Saturn's glow won't fade quickly. The planet will ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST ...

Scientists can now predict Mars' green auroras - glowing signs of solar storms - which could protect future astronauts on the ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

The concept of the Kessler syndrome is that the area around Earth gets too crowded to a point where we reach a saturation point where collisions begin and cannot be stopped. "Spent rockets, satellites ...

The news: NASA's Perseverance rover had found potential signs of ancient microbial life on Mars. The discovery represents "the closest we have ever come to discovering life on Mars," NASA acting ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...