A rare long-period comet returns after 170,000 years — here's how to find comet C/2025 R3 (Pan-STARRS) before sunrise this April, with key dates, viewing tips and the best mornings to look.
The asteroid is on the European Space Agency's Risk List, but poses no threat to Earth or the moon during the close approach.
Artificial lights at night brightened up planet Earth by 16% from 2014 to 2022, a new study using satellite images has found.
A dramatic breakup near the sun erased hopes of a bright comet lighting up the evening sky this week.
This offers us a glimpse of the discovery surge scientists expect to occur once full operations begin.
"A better understanding of Saturn’s environment is especially urgent now as plans for our return to Saturn and its moon Enceladus start to be developed."
Our solar system's famous "invader" might be as old as the Milky Way itself.
An X1.4 solar flare triggered radio blackouts and launched a fast CME as NASA prepares for its Artemis 2 moon mission.
New simulations suggest Saturn's rings formed from a shattered moon called Chrysalis, offering clues to the planet's tilt and surprisingly young rings.
The unprecedented observations of comet 41P/Tuttle–Giacobini–Kresák show its rotation slowing, reversing and then speeding up, and jet-like outbursts of gas might be providing the push.
