Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

"It confirms K2-18 b to be our best chance to study a potential habitable environment beyond the solar system at the present time." ...

Signs of life on K2-18 b are revisited as a new NASA-led study finds no conclusive evidence for dimethyl sulfide, tempering ...

"This discovery was partly serendipity! But, we believe there are many more such opportunities hidden in Hubble data." ...

A hot blob currently beneath the Appalachians may have peeled off from Greenland around 80 million years ago and moved to ...

Although carbon-rich asteroids are common in space, they account for less than 5% of the meteorites that reach Earth. To unravel this mystery, an international team of scientists launched a global ...

L 98-59 f, an "exoplanet", lives in what’s called the star’s "habitable", temperate or "Goldilocks zone" — that’s the sweet ...

Scientists have issued a concerning update on a mystery interstellar object travelling through our solar system.

Scientists have discovered that Earth could have at least six minimoons that we never knew existed. A minimoon is a small ...

A new research paper, written by a prominent Harvard astrophysicist, has claimed a mystery object in our Solar System could ...