This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, ...

An curved arrow pointing right. Right now, NASA's Juno spacecraft is orbiting Jupiter. It's the second spacecraft in history to do so, and its orbit is taking it over Jupiter's north and south pole.

A team of astronomers led by Penn State scientists have discovered a planet that has the most oblong orbit ever found among transiting planets. The exoplanet’s extreme circuit — which looks ...

Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters of more than 3000 kilometres. However, as of April 2023, we know it is also home to 91 additional small satellites.

A UVA professor is part of the study of Trojan asteroids, presumed remnants of the early solar system that share Jupiter’s orbit around the sun. (Illustration by Johnny Utterback, University ...

The image of Comet Hale-Bopp blazing across the night sky of 1997 has delighted casual stargazers and astronomers alike. It was first spotted in July 1995 by Alan Hale and Thomas Bopp, who ...

Hot Jupiters are massive, gaseous worlds like Jupiter, that orbit closer to their parent stars than Mercury is to the Sun. In a recent paper, a McGill-led research team, provides new insight into ...