Geologists have long thought tectonic plates move because they are pulled by the weight of their sinking portions and that an underlying, hot, softer layer called asthenosphere serves as a passive lubricant. But a team of ...
Earth Sciences
Mar 11, 2021
3
4958
Mini-Neptunes and super-Earths up to four times the size of our own are the most common exoplanets orbiting stars beyond our solar system. Until now, super-Earths were thought to be the rocky cores of mini-Neptunes whose ...
Astronomy
Feb 10, 2021
3
887
Albert Einstein's theory of general relativity profoundly changed our thinking about fundamental concepts in physics, such as space and time. But it also left us with some deep mysteries. One was black holes, which were only ...
Astronomy
Jan 13, 2021
8
339
An international group of scientists, including Case Western Reserve University Astronomy Chair Stacy McGaugh, has published research contending that a rival idea to the popular dark matter hypothesis more accurately predicts ...
Astronomy
Dec 16, 2020
134
7552
A faraway galaxy with almost no dark matter has threatened to break our theory of galaxy formation. New evidence suggests the galaxy isn't an anomaly—but a victim of theft.
Astronomy
Nov 27, 2020
49
720
A trio of scientists were awarded the Nobel Physics Prize on Tuesday for their research into black holes, some of the most mysterious objects in the universe that gobble stars like specks of dust.
Astronomy
Oct 6, 2020
80
159
Massive stars end their lives with energetic explosions known as supernovae. Stripped-envelope supernovae show weak or no traces of hydrogen in their ejecta, meaning that the star loses most or all of its hydrogen-rich outer ...
Astronomy
Oct 2, 2020
0
296
Observations by the NASA/ESA Hubble Space Telescope and the European Southern Observatory's Very Large Telescope (VLT) in Chile have found that something may be missing from the theories of how dark matter behaves. This missing ...
Astronomy
Sep 10, 2020
25
1018
Captured by the NASA/ESA Hubble Space Telescope, this image shows NGC 7513, a barred spiral galaxy. Located approximately 60 million light-years away, NGC 7513 lies within the Sculptor constellation in the Southern Hemisphere.
Astronomy
Jul 10, 2020
0
211
A star that pulsates on just one side has been discovered in the Milky Way about 1500 light years from Earth. It is the first of its kind to be found and scientists expect to find many more similar systems as technology to ...
Astronomy
Mar 9, 2020
0
9100
