A research team led by Princeton University astrophysicists has discovered a co-moving pair of bright Sun-like stars, HD 240430 and HD 240429, with a significant...
An international research team led by astronomers from the Institute of Astrophysics of Andalusia (IAA-CSIC) in Spain has discovered a ring around Haumea,...
A new study in the Astronomical Journal finds that giant exoplanets with long-period orbits are more likely to be found around young stars that have a...
In a nearby dwarf galaxy called the Small Magellanic Cloud, astronomers have discovered possibly the most luminous nova ever.
SMCN 2016-10a was discovered...
Using data gathered by the Atacama Large Millimeter/submillimeter Array (ALMA) and the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis (ROSINA)...
Astronomers using ESO’s Very Large Telescope Interferometer (VLTI) have captured striking images of HR 5171, a unique binary stellar system in the constellation...
A star about 1,480 light-years from Earth called KIC 8462852 has been a fascinating mystery since its discovery was made public in September 2015. Astronomers...
The MPG/ESO 2.2-m telescope at ESO’s La Silla Observatory in Chile has taken a picture of NGC 1964, an incredibly beautiful spiral galaxy in the constellation...
New observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have revealed a remarkably thin spherical shell around U Antliae, a star...
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...
