Two U.S. officials say convicted Russian criminal Alexander Vinnik is being freed as part of a swap that saw Moscow's release ...

Astronomers have used a continent-sized radio telescope to find the largest black hole jet ever observed in the early ...

The planet, dubbed TOI-6038A b, is a dense sub-Saturn size with a mass of 78.5 Earth masses and a radius of 6.41 Earth radii in a wide binary system.