The LINK probe was supposed to use robotic arms to capture Swift and lift it into a safe orbit. Problems with its control system forced NASA to call off the attempt.

S301 passes close to Sagittarius A*—so close that its orbit could reveal how the black hole’s rotation warps the spacetime around it.

Researchers found that a metabolite produced by gut bacteria can weaken the barrier that protects the brain and promote changes associated with the cognitive disease.

An object observed by the James Webb Space Telescope lends credence to a strange explanation for the mysterious red spots in the early universe.

In 2027 and 2028, there will be two spectacular, long-duration solar eclipses. Here’s what you need to know about them.