Warm Jupiters are rewriting the rules of planet formation - showing eccentric orbits that stay strangely aligned with their ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

Titan's shadow will fall on Saturn in the early hours of Sept. 20, one day before the world shines at opposition in Earth's ...

Astronomers observe for the first time the actual motion of spirals in a protoplanetary disk, revealing gravitational ...

A recent study introduces the idea of Planet Y, a theoretical world that could explain strange gravitational behavior beyond ...

The European Space Agency also hoped to observe the interstellar object during its close approach to Mars using two ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in Research Notes of the AAS, a non-peer reviewed publication from the American ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

The European Space Agency (ESA) hopes to avoid that fate for future spacefarers, and has created the Zero Debris Charter as ...

An instrument is set to improve the detection and direct imaging of planets outside our solar system by harnessing the power ...