NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...

NASA has quietly taken steps to prepare for a death in space. We need to ask how nations will deal with this inevitability now, as more people start traveling off the planet ...