Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Hottest, heaviest touching double star
Astronomers say the two stars might be heading for catastrophe. They will likely either merge to create a single giant star or form a double black hole.
October 21, 2015
A possible – not likely – alien megastructure
KIC 8462852 is an oddly dimming star - 1,500 light-years away. It might or might not be surrounded by vast megastructures in space, built by aliens.
October 20, 2015
NASA unveils Pluto Time mosaics
Mosaics of Pluto and Charon, created from your photos sent to NASA during this summer's #PlutoTime campaign.
October 20, 2015
Most Earths yet to be born?
Most of the potentially habitable Earth-like planets in the universe have yet to be born, according to a new theoretical study.
October 20, 2015
New Cassini images of Enceladus
Images from last week's flyby of Saturn's moon Enceladus, one of three planned for this month ... the final close flybys of Enceladus with the Cassini spacecraft.
October 19, 2015
Hubble captures changes in Jupiter’s Great Red Spot
High-resolution maps and spinning globes reveal an elusive wave and changes to Jupiter’s Great Red Spot.
October 16, 2015
Close encounters with Enceladus begin today
The flybys are part of a series of "lasts" for Cassini, whose mission to Saturn ends next year. Last chance for many years to see new up-close views of this fascinating, geologically active Saturn moon.
October 14, 2015
Galaxy halos more common than thought
Astronomers studied 35 galaxies with a newly upgraded radio telescope in New Mexico to learn more about galactic halos. This study confirms a 1961 prediction.
October 14, 2015
Two very different Saturn moons
One moon is small and irregular, and the other is larger and round. These two moons typify the sorts of objects you see throughout our solar system.
October 14, 2015
October 13 to November 11: Longest lunar month of 2015
Longest lunar month of 2015 starts with the October 13 new moon and ends with the November 11 new moon. Learn about the varying lengths of lunar months, here.
October 12, 2015
