NASA's Perseverance rover has discovered previously unknown substances in rock samples collected from Mars. The Greek island of Santorini is still shaking. Tourists and locals have already fled to the ...

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

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.

With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.