An unidentified source has been beaming out a pulse of radio waves every 22 minutes since 1988, astronomers say.
Scientists are seeking to confirm that a black rock discovered in Morocco in 2018 departed Earth's pull for outer space, only to return to it like a prodigal child.
In a first, the James Webb Space Telescope (JWST) may have glimpsed a rare type of star that astronomers aren’t even sure exists. These “dark stars” might not have been fueled not by nuclear fusion but by the self-annihilation of dark matter.
A retired cosmological theory should be given a second chance at explaining anomalies in our Universe, according to theoretical physicist Rajendra Gupta from the University of Ottawa in Canada.
A scorching hot world where metal clouds rain drops of titanium is the most reflective planet ever observed outside of our Solar System.
Researchers poring over imagery and data from the Perseverance rover on Mars have found evidence of organic molecules in the planet’s Jezero Crater, potentially providing evidence of the planet’s carbon cycles and its ability to host life.
An orbiting satellite discovers a mysterious, heat-emitting mass of granite buried under the surface of the far side of the Moon.
Scientists have detected an active supermassive black estimated to have been created 570 million years after the Big Bang.
From the far reaches of the observable Universe, astronomers have just seen a supermassive black hole suddenly flare to life.
Meteor-like fireballs in the atmosphere of the Sun rain down like showers of shooting stars during the phenomenon of coronal rain, scientists have found.
Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of Einstein's expanding universe.
Four small rooms, a gym and a lot of red sand - NASA unveiled its new Mars-simulation habitat, in which volunteers will live for a year at a time to test what life will be like on future missions to Earth.
NASA recently released a stunning new image of Saturn, depicting the planet's rings shining brightly against the blackness of space. The powerful space telescope has now captured all four gas giants in our solar system.
Whenever something happens with Betelgeuse, speculations about it exploding as a supernova proliferate. But when will the explosion happen?
ESA's Euclid space telescope was launched for a six-year mission to shed light on dark energy and matter and chart the largest-ever map of the universe.