The Geminids peak Dec. 13, producing up to 120 meteors per hour visible from 8 p.m. until sunrise. Plus, a recap of ...

A pattern in the movements of a brown dwarf that orbits a Sun-like star is likely to be caused by a moon. If confirmed, this would be the first exomoon, that is a moon orbiting a planet that in turn ...

A new crew is heading to the International Space Station, just in time for Thanksgiving, to continue important research.

Kappa Tucanae A, 70 light-years away, hosts dust hotter than 1,000 degrees Fahrenheit that should not survive. Astronomers ...

Astronomers have confirmed that three Earth-sized planets are orbiting two stars in the same system — a first in the history ...

The first private space science satellite set to study the effect of flares from stars has been launched into space and is ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

Astronomers have long believed that the region around the Milky Way’s central black hole, Sagittarius A*, is one of the most ...

Researchers refined the trajectory of interstellar comet 3I/ATLAS using ExoMars Trace Gas Orbiter data, improving predictions and enabling precise monitoring for scientific study and planetary defense ...

Scientists combine observations from Mars missions to get the clearest and most accurate track of 3I/Atlas so far.

NASA’s Fermi Gamma-ray Space Telescope may have detected the first direct evidence for dark matter, according to new research ...