The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

With J.R.R. Tolkien's high-fantasy world of Middle-earth being so far removed from our own, it's easy to get so caught up in what's on the map itself that we rarely even think about what's not on it.

Astronomers are increasingly finding planets that do not simply circle their stars in neat, clockwork ellipses but instead trace out paths that look more like intricate choreography. The latest ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map ...

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...