The dwarf planet’s hot birth may have created a warm internal ocean, and where there's warm water, there might be life.

Researchers at Omni Calculator have created the Alien Civilization Calculator, a unique combination of two different methods of trying to determine how many advanced alien civilizations may exist in our galaxy.

There's a nice binocular comet - Comet NEOWISE - in the early morning sky now. Some experienced observers are catching it with the eye alone. It's nice ... but not great. When will we see our next great comet?

A new timelapse from NASA’s SDO Observatory condenses an entire solar cycle into 1 hour.

In recent years, black hole mergers in our universe have been detected via ripples in spacetime known as gravitational waves. Now, for the first time, astronomers believe they've observed visible light from a black hole merger, in a peculiar 3-black-hole system.

Astronomers from Western University in Canada have discovered six more possible exomoons orbiting distant exoplanets, in data from the Kepler Space Telescope.

Astronomers from the University of Göttingen in Germany have discovered two, and possibly three, super-Earth exoplanets orbiting the nearby red dwarf star Gliese-887.

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.