WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

A massive volcano on Jupiter's moon, Io is more powerful than all of Earth's power stations combined - says American space agency, Nasa. The huge volcano was recently detected during flyby of the Juno ...

W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

Jan. 15, 2025 — Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any ...

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

2025 is set to be an amazing year of space missions as many moon landings are planned and significant test launches.