Discovering something for the second time doesn't usually have scientists jump out of their seats with excitement. But that's exactly what happened in the case of Sgr A* (pronounced "sadge-ay-star"), the second black hole ...
Astronomy
May 13, 2022
6
225
Understanding climate change and its effects on humans, animals, and natural spaces requires studying Earth as a whole, interconnected system. Water movement on Earth, in particular, is a process that affects everything from ...
Earth Sciences
Mar 22, 2022
0
366
The first worlds beyond our solar system were discovered three decades ago. Since then, close to 5,000 exoplanets have been confirmed in our galaxy. Astronomers have detected another 5,000 planetary candidates—objects that ...
Astronomy
Mar 15, 2022
0
1058
Astronomers have reported a second, super-sized moon orbiting a Jupiter-sized planet beyond our solar system. If confirmed, the sighting could mean that exomoons are as common in the universe as exoplanets, and that big or ...
Astronomy
Jan 13, 2022
0
735
Astronomers at The University of Texas at Austin's McDonald Observatory have discovered an unusually massive black hole at the heart of one of the Milky Way's dwarf satellite galaxies, called Leo I. Almost as massive as the ...
Astronomy
Dec 1, 2021
3
671
Black holes are regions of space-time with huge amounts of gravity. Scientists originally thought that nothing could escape the boundaries of these massive objects, including light.
General Physics
Sep 6, 2021
4
1649
There are eight known planets in the solar system (ever since Pluto was booted from the club), but for a while, there has been some evidence that there might be one more. A hypothetical Planet 9 lurking on the outer edge ...
Astronomy
Aug 30, 2021
6
669
The center of this image from the NASA/ESA Hubble Space Telescope is framed by the tell-tale arcs that result from strong gravitational lensing, a striking astronomical phenomenon which can warp, magnify, or even duplicate ...
Astronomy
Jul 24, 2021
114
2602
In the mid-2030s, every U.S. coast will experience rapidly increasing high-tide floods, when a lunar cycle will amplify rising sea levels caused by climate change.
Environment
Jul 8, 2021
0
6
The myriad spiral galaxies in our universe almost all look like fried eggs. A central bulge of aging stars is like the egg yolk, surrounded by a disk of stars that are the egg white. The galaxy in this Hubble photo looks ...
Astronomy
May 27, 2021
0
463
