Seleucus of Seleucia was an ancient astronomer who defended heliocentrism, arguing that Earth orbits the Sun and rotates on ...

Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

Ancient quasars seen by the James Webb Space Telescope technically shouldn’t exist, but one rare type of dark matter could make sense of that. Ultra-self-interacting dark matter clumped into ...

Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth’s history. A new study ...

Extrapolating across the entire sky also means reaching the conclusion that such enormous black holes must have been plentiful in this ancient epoch of the universe. And their enhanced numbers may ...

Recent science developments include the launch of NASA's SPHEREx telescope to explore the universe's origins, discoveries of ancient human fossils in Spain, a postponed NASA-SpaceX astronaut swap, and ...

According to Einstein’s theory of general relativity, gravitational waves warp spacetime. In the process, they could imprint ...

NASA launched the SPHEREx telescope to explore the universe's origins, while Spanish fossils might reveal an unknown human species, potentially altering European human history. NASA and SpaceX have ...

A team of scientists from the University of Portsmouth has made a discovery that could revolutionize our understanding of the origin of life in the universe. According to a study led by astrophysicist ...

To understand how the universe was formed and how we got here, ancient stars are some of the best objects to study — yet astronomers know surprisingly little about the conditions in which they ...