A new study from scientists in the UK suggests that atmospheric dust could increase the habitability of some exoplanets, especially those orbiting red dwarf stars.

On Wednesday, July 1, 2020, 2 astronauts will perform the 2nd of a pair of International Space Station (ISS) spacewalks, to replace aging nickel-hydrogen batteries. How to watch.

Looking for an awesome place to watch meteor showers in the U.S.? AccuWeather - and the editors of EarthSky - recommend these 10 places.

A new study shown by NASA scientists at the Goldschmidt conference this week provides further evidence that Europa's ocean is habitable and similar to Earth's oceans.

Astronomers just announced the most massive quasar yet known in the early universe. Its monster central black hole has a mass equivalent to 1.5 billion of our suns. The object has been given a Hawaiian name, Poniua'ena.

"What if extraterrestrial intelligences are not like us, but are found in the frigid reaches of the outer solar system, the extreme gravity of neutron stars, the brilliant cores of active galaxies, or the hearts of the richest galaxy clusters?"

The science world is buzzing about a new discovery made via the LIGO-Virgo collaboration. It's a new object found in the so-called "mass gap" between neutron stars and black holes.

Saturn's largest moon Titan is drifting away from the planet 100 times faster than previously thought, according to a new study from researchers in the U.S., France and Italy.

This week, a citizen scientist spotted a never-before-seen comet in data from the sun-observing SOHO spacecraft. It was SOHO's 4,000th comet discovery. Learn more and watch comets sweep near the sun in this video.

Researchers in Europe have now confirmed the universality of free fall - which Einstein called his most fortunate thought - with extremely high precision. To do it, they spent 8 years tracking a triple star system containing a millisecond pulsar.