A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

Ground cover plants creep and spread attractively; they can act as a colorful statement or soften the appearance of a lawn-free yard. They grow no more than 3 feet above the ground and are easy to ...

“It’s the most massive [merger] so far,” says Mark Hannam, a physicist at Cardiff University, UK, and part of the LVK ...

From erupting volcanoes to ancient glaciers, Iceland is where fire meets ice. This cinematic journey captures the wild ...

Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.