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.

NASA back in the search for alien technosignatures

After some prompting by Congress, NASA is again getting involved in SETI. Last week, it held a Technosignatures Workshop in Houston, exploring new ways scientists could seek intelligent aliens.

Matter falling into a black hole at 30% light speed

There may be misaligned disks of material rotating around the black hole. Rings of gas may be breaking off and colliding, leaving gas to fall directly towards the black hole at unfathomable speeds.

Mercury’s strange chemistry revealed

Mercury is an odd little world, but new research is revealing its mysteries. Plus, the upcoming BepiColombo mission - a joint mission between Europe and Japan - will help scientists understand the planet's origin and evolution.

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.