A team of researchers at the Australian National University in Canberra, Australia, has produced the most comprehensive estimate yet of Earth’s composition...
Nearly five decades after it was first predicted that rapidly rotating hot stars would emit polarized light, astronomers have succeeded in observing the...
Astronomers using ESO’s Very Large Telescope (VLT) have detected titanium oxide in the atmosphere of the hot-Jupiter exoplanet WASP-19b.
An artist’s...
Suggestions that the hypothesized Planet 9 formed outside our solar system, or was even stolen from a rival solar system, have been dealt a blow by investigations...
The NASA/ESA Hubble Space Telescope has taken a remarkable new picture of NGC 5398.
This image, taken with the Advanced Camera for Surveys on board the...
X-rays emitted by a Sun-like star may provide valuable information about whether its planetary system will be hospitable to life, a new study suggests....
On September 6, 2017, an active region on the Sun released two X-class solar flares, captured here by NASA’s Solar Dynamics Observatory (SDO).
An X9.3-class...
In a research paper to appear in the Astronomical Journal (arXiv.org preprint), astronomers from MIT, the Geneva Observatory and elsewhere report that...
On March 11, 1437, Korean royal astronomers spotted a bright new star in the constellation Scorpius. From the ancient records, modern astronomers determined...
Dr. Rory Barnes, an assistant professor in the Department of Astronomy and Astrobiology Program at the University of Washington, arrived at this finding...
A multinational group of astronomers has detected four possible alien worlds circling tau Ceti, which is less than 12 light-years from our Solar System.
Artist’s...
According to new research from NASA scientists, Proxima b may not be able to keep a grip on its atmosphere, leaving the surface exposed to harmful radiation.
This...
Using data from the NASA/ESA Solar and Heliospheric Observatory (SOHO), solar physicists have found evidence of a type of seismic wave (gravity waves,...
At a distance of 420 million light-years, the recently-discovered SN 2017egm is the nearest Type I superluminous supernova to date, and the first near...
Astronomers using the 305-m (1,000-foot) radio telescope at the Arecibo Observatory, Puerto Rico, recently detected ‘strange’ signals coming from Ross...
A study led by University of Montreal researchers has confirmed that our Sun is indeed a solar-type star. Published in the journal Science, the findings...
According to two separate teams of astrophysicists from the Harvard-Smithsonian Center for Astrophysics (CfA) and the Lowell Center for Space Science and...