Have astronomers observed the first exomoon, or have they spotted a weird object that could challenge the very concept of planets and moons?

It has taken over ten years, but astronomers have finally won a prolonged game of cosmic hide-and-seek with a planet hiding ...

Credit: ESO/M. Kornmesser What makes a moon a moon? To be a satellite, something only needs to orbit something else, which ...

A rocky exoplanet 48 light-years from Earth has offered the 'strongest evidence yet' that other planets besides Earth could ...

Astronomer Dr. Collin Cherubim and his team have detected an atmosphere around an extrasolar planet, LHS 1140-b. The sphere ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of our own solar system when the sun dies.

There’s a new science fiction film in theaters that is largely based on science fact. "Project Hail Mary," from directing duo Phil Lord and Christopher Miller, is adapted from the novel of the same ...

NASA’s James Webb Space Telescope discovered a new exoplanet Beta Pictoris d in the Beta Pictoris system. Read more about the new hidden exoplanet. The National Aeronautics and Space Administration ...

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump administration panel on unidentified aerial phenomena (UAP). His team is reviewing ...

Learn how astronomers confirmed an atmosphere on rocky exoplanet LHS 1140 b, located 48 light-years away in its star’s ...

Throughout the years, exoplanet hunters have been playing an increasingly frustrating game. They kept finding rocky, Earth-sized worlds tucked neatly inside the habitable zones of nearby stars — the ...