The moon and Venus will form a triangle with the Beehive star cluster in the predawn sky on Monday (Sept. 14).
A new film channels the spirit and traces the lineage of Laika, the first creature ever to orbit Earth.
Three physicists won a $3 million Breakthrough prize for a series of experiments that began using cheap equipment on a tabletop in Seattle and ended up hunting dark matter.
An international contest for space photography awarded its top prize to the photographer who captured a unique view of the Andromeda galaxy.
Mysterious midnight disaster spared critical electronics in iconic alien-hunting telescope called the Arecibo Observatory in Puerto Rico.
Tracy Slatyer, known for hunting dark matter in our galaxy and discovering evidence of an ancient Milky Way explosion, has won a $100,000 prize funded by tech billionaires.
The imaging sensors for the future Vera C. Rubin Observatory have taken their record-breaking first photos.
A Chinese reusable experimental spacecraft has safely landed after two days in orbit, according to state media, and may have deployed a satellite during its mysterious, brief journey in space.
A spectacular new set of images of our sun shows its popcorn-like magnetic field structure in all its glory.
Physicists have found a new paradox in quantum mechanics that throws doubt on some common-sense ideas about physical reality.
A rare look at a three-star solar system reveals wobbly disks of dust that may host a young, three-sunned planet.
Two large black holes crashed together and formed a massive new one — the largest of its kind ever detected, so large that physicists weren't sure it could exist at all.
A long-retired NASA satellite burned up in Earth's atmosphere over the weekend, the agency has confirmed.
There's a strange sphere of mass at the outer reaches of solar space. Did another star help put it there?
A U.S. spy satellite launch on a Delta IV Heavy rocket was delayed a week after a last-minute abort Saturday (Aug. 29).