The Vera Rubin Observatory has discovered a suspected dwarf planet beyond Neptune’s orbit. If confirmed, it would be the sixth known dwarf planet in our solar system.
Scientists have long known that when two black holes collide, they merge to create a more massive black hole. New research suggests that the opposite may happen too: single black holes may split in two.
Scientists are still learning about a cosmic ‘string of pearls,’ a unique celestial relic left by a supernova witnessed by humanity around 850 years ago, which has a zombie star at its heart.
Baffling long radio echo delays have prompted a range of potential explanations, most of which focus on a variety of unexplained natural phenomena occurring in Earth’s atmosphere.
The James Webb Space Telescope captured a spectacular star-forming region glowing 161,000 light-years from Earth in a satellite galaxy of the Milky Way.
Black holes more massive than entire galaxies are not a major component of dark matter, the mysterious stuff that’s thought to make up most of the matter in the cosmos, a new study finds.
Researchers think they might have pinpointed the exact night sky that we see depicted in Vincent van Gogh’s iconic painting “The Starry Night.”
A satellite image of “Spider Crater” in Western Australia.
If you were approaching the edge of a spiral galaxy, arriving from afar through the cosmos, it might look something like this.
NASA’s OSIRIS-REx asteroid-sampling mission formally ended on Sept. 30, 2026, though scientists will continue to study the pieces of space rock it returned for decades.