The last gasp of a primordial black hole may be the source of the highest-energy "ghost particle" detected to date, a new MIT ...

For decades, astronomers have wondered whether Earth-like planets are rare gems or commonplace across the stars. Recent ...

Hayabusa2, operated by the Japanese Aerospace eXploration Agency (JAXA), is on an extended mission after successfully returning samples from the much larger asteroid Ryugu in 2020. With fuel to spare, ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...