"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar." ...

Our Solar System contains eight planets (sorry, Pluto) orbiting around the Sun. But while all planets are important members of the club, if we’re being honest, we know there’s a crown jewel of our ...

A young star’s disk shows unexpectedly high CO₂ and little water. The result questions standard theories of planet formation.

In this latest data mining, scientists unexpectedly discovered two planets with extremely unusual orbits, whose trajectories differ dramatically from the known patterns of planetary orbits. In our ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

Technological limitations for manufacturing large, round telescopes has experts considering unconventional shapes to improve our search for habitable worlds.