A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky ...

"We are only beginning to discover the true complexity of these worlds." ...

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the Solar System planets’ interior. The composition of Uranus and Neptune, the two ou ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

Harvard physicist Avi Loeb doubles down on his alien tech theory for interstellar object 3I/ATLAS, urging governments to ...

Astromine is set to launch in 2026, bringing a co-op survival experience that spans an entire voxel-based solar system.

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).

Before the ribbon cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by Westfield High School Astronomy Club members Krystyna Goulette and Kaitlyn Goulette — ...

Burst from M-dwarf star could be powerful enough to strip the atmosphere of any planets that orbit it, with implications for ...