Early depictions of alien planets in science fiction reflected pure imagination — jungles on Venus, canals on Mars, and ...

Brian Lacki has released a set of three prepublication studies attempting to rationalize and measure the odds of a ...

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, ...

By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...

Starfront Observatories allows amateur astronomers to rent a spot for their telescopes and photograph the cosmos over a ...

Telescopes around the world recorded new evidence about what the 3I/Atlas is and what scientists observed about it.

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

NASA's Voyager 2 spacecraft captured dark streaks produced by geysers visible on the icy surface of Triton's south polar ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

A pairing-off of the brightest planet and a slender crescent moon will be the chief celestial attraction in the dawn sky ...