Indian astronaut Shubhanshu Shukla and his Ax-4 crewmates are set to undock from the ISS on July 14, NASA confirmed on ...

The solar system has an uninvited guest that is currently shooting toward us on a one-way trip through our cosmic ...

At the recentRoyal Astronomical Society’s National Astronomy Meeting in Durham, England, groundbreaking new evidence was ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an ...