Construction begins on ESA’s Plato planet-hunter

The European Space Agency's next big planet-hunting mission - the Plato space telescope - will continue the search for rocky and potentially habitable worlds orbiting other stars.

Watch, as black holes spiral closer

A new simulation by scientists lets you witness supermassive black holes about to collide. One shows them from outside the system, just 40 orbits from merging. The other places you in their midst.

Groundbreaking science from ultra-close orbits of Saturn

Last year, in its Grand Finale, the Cassini spacecraft dove repeatedly between Saturn and its rings. This week, 6 teams of researchers published new research based on Cassini's final days and those daredevil dives.

New dwarf planet nicknamed The Goblin

The Goblin is a very small dwarf planet, very far away. It might help astronomers in their search for a much bigger world - the long-sought Planet X.

Did the Hubble telescope find the 1st exomoon?

Astronomers have tantalizing new evidence for a possible Neptune-sized moon orbiting the gas-giant planet Kepler-1625b, some 8,000 light-years away.

MASCOT returns 1st image from asteroid Ryugu

Japan's Hayabusa2 spacecraft deployed the MASCOT lander to asteroid Ryugu yesterday. Now, MASCOT has returned its 1st image. An international team of engineers and scientists in Germany is standing by.

Gaia reveals stars flying between galaxies

Only a small number of hypervelocity stars have ever been discovered. Now ESA's Gaia mission has revealed 20 more.

Breakthrough Listen brings ET search to Africa

Yuri Milner's Breakthrough Listen program said it has added the MeerKAT telescope in South Africa to its global effort to listen for signals from an alien intelligence.

New image shows a haunting comet landscape

Citizen scientists now frequently explore spacecraft images, finding and processing hidden treasures. Jacint Roger Perez of Spain processed this Rosetta spacecraft view of comet 67P/Churyumov-Gerasimenko.

Origami-inspired habitats for the moon and Mars

An innovative plan by the EuroMoonMars project uses Japanese origami - the art of folding paper into interesting shapes - to design and develop habitats for future human space explorers.

Matching Donation Campaign

Exciting news! EarthSky received a $50,000 gift, with a request that it be used to collect matching funds. Please help us meet this match by donating to EarthSky today!

Would you consider

donating?

If you've already donated, we apologize for the popup and greatly appreciate your support.