This week, an old astronomical controversy is renewed as researchers present new evidence for a hidden "Planet X" in our ...

Saturn’s moon Titan is almost featureless when seen in visible light, thanks to a thick blanket of atmospheric fog. But when ...

If Earth suddenly orbited a second sun, temperatures could spike, seasons would vanish, and gravitational chaos might ...

Seeing the Aurora Borealis dance in the night sky is a bucket list item for countless people, but the enchanting phenomenon is not exclusive to Earth. Decades of research and the use of advanced ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

An international planet hunt spearheaded by Monash University researchers has discovered evidence of five new baby planets, ...

Webb Telescope Captures Its First Direct Images of Carbon Dioxide Outside Solar System Mar. 17 ... Super-Earths and Mini-Neptunes: More Earth-Like Planets May Exist Mar. 11, 2025 — A new ...

NASA's Perseverance rover has observed an aurora on Mars in visible light for the first time, with the sky glowing softly in ...

Astronomers believe that our solar system may still hold surprises ... Astronomers believe that Planet Nine could be 5-7 times the size of Earth and situated more than 200 times farther from ...

"How planets are born is an unsolved area of research," astrophysicist Daniel Price of Australia's Monash University told Newsweek.

dwarf planets and moons in our solar system do have seasonal cycles — and they can look wildly different from the ones we experience on Earth, experts told Live Science. You may like Which ...