A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

NASA has announced when the longest total solar eclipse of the century will occur—and you won’t have to wait long. Here’s ...

Despite this, scientific understanding of how Antarctic marine life is responding to this unprecedented warming scenario is ...

The final milestone in construction was reached on November 25, as technicians carefully joined the giant telescope's inner ...