The IAU's definition of a planet was finalized in 2006. But that hasn't always been the consensus. The ancient Greeks, for ...

An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...

"See To Believe uncovers the forgotten, mind-blowing facts that will leave you questioning everything. Follow wild stories of ...

Called Kepler-51, the Sun-like yellow dwarf star was found in 2012 to have three exoplanets in its orbit; each, it would turn ...

The universe is full of surprises—like planets so massive they outsize some stars. Explore the fascinating size comparisons that challenge the norm!

TRAPPIST-1 b, the innermost planet, was recently observed in depth by JWST in the mid-infrared, a type of light to which our ...

Recent measurements with the James Webb Space Telescope (JWST) cast doubt on the current understanding of the exoplanet ...

Using data from NASA's now-defunct Dawn spacecraft, scientists have discovered that the dwarf planet Ceres, the second wettest body in the solar system after Earth, could have an interior reserve ...

Astronomers are searching for a potential ninth planet, known as Planet Nine, which could reshape our understanding of ...

"We must rethink how we create computer models for planet formation and early evolution in the young universe." ...

Exomoons are a hot topic in the science community, as none have been confirmed with astronomers finding new and creative ways ...

If Brown’s hidden world is real, Rubin will almost certainly find it or strong indirect evidence that it exists. “In the ...