(PhysOrg.com) -- A team of planet hunters led by astronomers at the University of California, Santa Cruz, and the Carnegie Institution of Washington has announced the discovery of an Earth-sized planet (three times the mass ...
Astronomy
Sep 29, 2010
67
2055
In 1994, the Comet Shoemaker-Levy 9 (SL9) impacted Jupiter, which had captured the comet shortly before (and broken apart by its gravity). The event became a media circus as it was the first direct observation of an extraterrestrial ...
Astronomy
Sep 20, 2021
2
2055
Peering deep into space—an astounding 90 percent of the way across the observable universe—astronomers have witnessed the beginnings of a gargantuan cosmic pileup, the impending collision of 14 young, starbursting galaxies.
Astronomy
Apr 25, 2018
31
5512
Astronomers have found a nascent star 750 light years from earth that shoots colossal jets of water -- a cosmic fire hose -- out its poles in bullet-like pulses.
Astronomy
Jun 22, 2011
21
2046
By Earthly standards, Saturn's moon Titan is a strange place. Larger than the planet Mercury, Titan is swaddled in a thick atmosphere (it is the only moon in the solar system to have one) and covered in rivers and seas of ...
Astronomy
Jun 8, 2020
33
3761
NASA this week shared an audio clip on social media that allows you to "hear" a black hole.
Astronomy
Aug 24, 2022
4
2021
Look up at the night sky and it is filled with stars. But only a microscopic fraction are visible to the naked eye. In fact, there are estimated to be 100 billion stars in 10,000 billion galaxies in the visible universe. ...
Astronomy
Dec 18, 2015
0
2018
For billions of years, the Milky Way's largest satellite galaxies—the Large and Small Magellanic Clouds—have followed a perilous journey. Orbiting one another as they are pulled in toward our home galaxy, they have begun ...
Astronomy
Sep 28, 2022
2
6335
Echoes in gravitational wave signals suggest that the event horizon of a black hole may be more complicated than scientists currently think.
Astronomy
Jan 22, 2020
27
6343
The Hubble Space Telescope, which has been peering into the universe for more than 30 years, has been down for the past few days, NASA said Friday.
Astronomy
Jun 19, 2021
4
1993
