That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Since the Kepler Space Telescope began its prowl for exoplanets in 2009, it has uncovered a strange pattern among these alien ...

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

What can carbon dioxide in an exoplanet’s atmosphere teach us about its formation and evolution? This is what a recent study published in The Astrophysical Journal hopes to address as an international ...

SPACE (KXAN) — A star flying through the night sky may be the fastest-moving solar system in our galaxy. Possibly a planet a little larger than Neptune orbiting a small star, the system could be ...

It may be made from a former star ...

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic ...

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...