"I don't think anyone's made this connection between the surface fluid pattern and the interior properties of these planets." ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

"Until now, it was unknown what type of star would remain after the merger." ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

NASA’s Hubble Space Telescope captures visible and infrared images of protoplanetary disks, showing gas and dust structures ...

Stargazers will in one week have a chance to spot Saturn and the moon sharing a section of the night sky in what's known as a ...

The comet was discovered in its final stage before impact. As luck would have it, NASA had a probe on its way to Jupiter, ...

Planetary rings explained: composition, formation theories, and a comparison of Saturn, Jupiter, Uranus, and Neptune’s rings.

Harvard's Avi Loeb reveals 3I/ATLAS has symmetric mini-jets at 120-degree intervals. Could these be propulsion thrusters on ...

The cosmic wanderer that has fascinated the world since it was found last summer is finally getting ready to say goodbye for ...

HD 189733 b orbits so close to its star that distance almost stops mattering. The planet was logged in 2005, one of many ...