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An all-sky red giant star symphony
The TESS planet-finder and Gaia space observatory have given us tickets to a red giant star symphony, now playing in our Milky Way galaxy.
August 8, 2021
2 spacecraft flyby at Venus within 2 days
Two spacecraft, Solar Orbiter and BepiColombo, make flybys of Venus within 33 hours of each other on August 9 and 10, 2021.
August 8, 2021
Watch the NG-16 Cygnus cargo launch August 10
On August 10, the uncrewed NG-16 Cygnus cargo launch takes place on Northrop Grumman's Antares rocket from the Wallops Flight Facility in Virginia.
August 8, 2021
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.
August 6, 2021
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.
August 6, 2021
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.
August 5, 2021
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.
August 4, 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.
August 4, 2021
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.
August 3, 2021
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.
August 3, 2021
