Researchers have found that a football-shaped, ultra-hot gas giant that’s being devoured by its host star is also one of the least reflective exoplanets ever found.
Researchers have found strong evidence of titanium oxide in the atmosphere of a hot giant planet, adding new insights to the complex motions of these planets’ extreme atmospheres.
Thermonuclear power sets off a type of stellar explosion known as a classical nova. Now, new research explains the mechanisms that cause these blasts to light up.
Two years after New Horizons captured the first high-resolution image of Pluto, the IAU releases official names for some of its features.
Counterfeit eclipse glasses created great confusion in the days prior to the solar eclipse. Luckily few cases of eye damage have been reported.
Astronomers and historians pinpoint the source of a 15th-century classical nova. It’s currently regathering strength.
Researchers have constructed a detailed view of the surface of red supergiant star Antares, revealing a chaotic atmosphere powered by mechanisms that are still poorly understood.
We've curated a selection of some of the best pictures our readers submitted to our online gallery of the August 21 solar eclipse.
In addition to clogged roads and crowded hotels, the 2017 solar eclipse had another big effect on U.S. infrastructure: reduced solar power production.
Some academic and citizen-science groups came up with neat initiatives for eclipse day. Let’s find out how they did.
A peculiar white dwarf could be what’s left after a failed supernova explosion.
Barely visible water-ice clouds coast across Mars’s skies in new videos from the Curiosity rover.