Astronomers found signs that mysterious interstellar object 3I/ATLAS is radiating a "heartbeat" pulse of light that repeats ...

Radiation from space that led to more than 6,000 Airbus aircraft needing emergency computer updates could become a growing ...

From more than 2 billion miles away, a spacecraft built to study Jupiter’s icy moon Europa has managed to snap a crisp, ...

Earth’s magnetic bubble, the invisible shield that normally deflects charged particles from the Sun, briefly shrank to a ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

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

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...