This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

New data from NASA's Juno orbiter reveals Jupiter is slightly smaller and more 'squashed' than scientists previously thought.

Using high-precision radio-occultation measurements from NASA’s Juno mission and incorporating the effects of zonal winds, ...

The Sun is putting on quite a show right now. Earth-facing sunspot region 4366 has been erupting almost non-stop since it emerged on January 30, producing six X-class solar flares so far.

Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible surface of the Sun, along with optical stops and filters that are ...

From dazzling Jupiter high in the evening sky to elusive Mercury low at sunset, February 2026 offers one of the year's best ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

Lineups of planets have often attracted attention for their supposed effects on human affairs—and for several days in early January, five solar system bodies are arranged in a nearly straight line in ...

Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than Earth's. Planet Nine, also known by its more ominous name of Planet X, is ...

Venture into the extreme outer reaches of the solar system to explore the most distant and enigmatic bodies ever discovered. Meet Sedna, Gong Gong, and Eris as we investigate their strange orbits, ...

Planet Y may orbit closer than ‘Planet Nine’ A hidden planet could explain tilted KBO orbits New study suggests a rocky world like Earth ...