Spacetime ripples from the neutron star smash-up usher in the age of multi-messenger astronomy.
Astronomers have found what could be the closest known pair of supermassive black holes detected via direct imaging, orbiting each other only a light-year apart.
As Cassini dives into Saturn's atmosphere this Friday, ending 13 years of exploration, expect to probe the ringed planet's mysteries as never before.
So you think you’re prepared for your eclipse viewing experience. But may I submit, dear reader, that you might have forgotten to pack a few things...
Look for these astronomical and Earthbound phenomena during the total solar eclipse on August 21st.
Buzz Aldrin experienced totality twice in space — once on Gemini XII, then on Apollo 11. Next up: Idaho.
Think the total solar eclipse is "sold out"? Think again — and grab your camping gear. Private campsites and RV parks within the long path of totality are still available for those willing to travel.