Weird metal-rich star catapulted from the galaxy

Scientists found a metal-rich star catapulted from a supernova explosion. It's racing out of the galaxy at nearly 2 million miles an hour.

An inner solar system much like ours, 35 light-years away

Astronomers using the Very Large Telescope have been studying a distant exoplanet with an inner solar system much like ours.

Water vapor on Ganymede, Jupiter’s large moon

Scientists have found the first evidence of water vapor on Ganymede, Jupiter's largest moon, bringing us insights into the habitability of other worlds.

Moon and Gemini stars at dawn August 5 and 6

The moon has now waned to a slim crescent phase. It's near the stars Castor and Pollux - the Gemini "twins" - on August 5 and 6, 2021.

The Nauka module mishap that sent ISS tumbling

After docking with the ISS on July 29, Russia's new Nauka module accidentally fired its thrusters, sending the space station into a spin.

The Mediterranean heatwave goes on

The Mediterranean heatwave is featuring land surface temperatures of over 50 C (122 F) and air temperatures in triple digits as well.

Parhelic circle and 2 halos over Alberta, Canada

Beautiful photo from an EarthSky community member showing showing portions of a 22-degree halo, circumscribed halo and parhelic circle.

Moon sweeps by Taurus August 2, 3 and 4 mornings

The waning moon sweeps through Taurus the Bull on the mornings of August 2, 3 and 4, 2021. Let it guide you to the Bull's prominent stars.

Neutron-star mountains are tiny (but you can’t climb ’em)

Researchers in the UK have found that neutron-star mountains are less than a millimeter tall. These dense, dead stars are nearly perfectly smooth spheres.

2021 moon phases, with distances from Earth

2021 moon phases in a chart format. Dates closest to new moon provide the darkest skies and the best opportunities for stargazing and meteor-watching.