Dust and gas between stars pose a threat to spacecraft en route from Earth to Proxima Centauri – and scientists are seriously considering the problem now that the prospect of interstellar travel is no longer sci-fi.
Feared lost for almost two years, NASA’s Stereo B solar observatory is now back in (tentative) contact with mission control.
The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.
Living in voids might be tangentially responsible for three small galaxies’ recent flurries of starbirth.
In addition to this weekend’s Venus-Jupiter conjunction, you might also try for much fainter Mercury to the pair’s lower left. Also, say hi to the Double Cluster in Perseus.
Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.
Download or play Sky & Telescope‘s astronomy podcast, and you’ll get a guided tour of the night sky.
We’ve assembled the resources to help you prepare for the coast-to-coast total solar eclipse — check back often as we continue to update this page!