Astronomers have long known the universe is expanding—but exactly how fast remains one of the biggest mysteries in cosmology. Different techniques for measuring the Hubble constant stubbornly disagree ...

Check back for live FLORIDA TODAY Space Team launch updates on this page, starting about 90 minutes before tonight's SpaceX ...

Physicist Paul Davies looks back at the past century of quantum mechanics—the most disruptive theory in the history of modern science.

Musk’s vision for cities on the moon and Mars is an attempt to make science fiction a reality.

Astronomers propose a new method to detect hidden supermassive black hole pairs using warped starlight, offering early clues before gravitational wave signals arrive.

Skyroot Aerospace has tested its Dhawan-III cryogenic engine, a 3D-printed marvel for reusable rockets. This breakthrough ...

Astronomers have discovered a black hole in the early universe, ID830, growing thirteen times faster than physics allows, defying cosmic rules and challenging long-held theories of black hole ...

Jupiter’s icy moons may have been seeded with the chemical ingredients for life from the very beginning. An international team of scientists modeled how complex organic molecules—essential building ...

NASA's Mike Fincke has identified himself as the astronaut whose medical condition prompted the space agency's first medical ...

Rubin Observatory begins sending hundreds of thousands of nightly alerts as it prepares for its 10-year sky survey, tracking supernovae, asteroids, galaxies and other changing objects in near real ...

NASA is shaking up its Artemis programme. The agency had originally planned a simple sequence: Artemis II would fly around the Moon, then Artemis III .