A new modeling study suggests Uranus and Neptune may be much rockier than once believed. By expanding possible interior ...

The Very Large Telescope's SPHERE instrument captured unprecedented images of 51 dusty rings shaping young planetary systems.

For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing ...

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation ...

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

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

A new study revisits ancient Chinese records to explore whether a comet could explain the Star of Bethlehem described in ...

The enigmatic Maya calendar synchronizes all visible planets, thus solving an astronomical puzzle that had remained unsolved ...

The RISTRETTO project, dedicated to observing Proxima b –the closest exoplanet to the Solar System — is reaching a new milestone: several key components of this high-precision spectrograph have been ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with an enormously inflated, weakly bound ...