On Wednesday, January 27, 2021, 2 NASA astronauts will perform the first in a pair of International Space Station spacewalks, to finish installing a European science...
A new study of the seven Earth-sized exoplanets around TRAPPIST-1 indicate that all 7 planets are extremely similar to each other in makeup, but potentially quite...
The mission team for NASA's InSight lander called off its attempts to try to dig deeper into Mars with the heat probe known as
SpaceX’s CRS-21 Cargo Dragon undocked from the International Space Station’s Harmony module on January 12, 2021, succeeding in the world’s first-ever autonomous...
Popocatépetl volcano near Mexico City has been erupting since January 2005. On January 6, Mexico’s National Center for Prevention of Disasters, which continuously...
In a dark sky, you might see 25 meteors per hour at the Quadrantid's peak. But moonlight is sure to mar this year's production.
World timekeepers have decreed there will be no leap second on December 31, 2020.
A Christmas Eve photograph showed humans their home world from a whole new perspective. This is the photo that's said to have launched the environmental movement....
We already know that Gale Crater on Mars used to hold a lake or series of lakes a few billion years ago. Now, NASA's Curiosity rover...
EarthSky Community members around the world are sharing their photos of this year's Leonid meteor shower. Beautiful! Thanks to all who contributed.