NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

CAPE CANAVERAL, Fla. (AP) — Astronomers say they've spotted an object in our solar system that's believed to be from another ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Astronomers this week confirmed the discovery of an interstellar object racing through our Solar System – only the third ever ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system. Scientists have ...

Eight members of the OPEC+ alliance of oil exporting countries say they will boost production by 548,000 barrels per day in August in a move that could further reduce gas prices ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

Since 2006, almost 500 people have been killed by lightning strikes in the U.S., according to the National Lightning Safety ...

Interstellar comets offer the tantalizing opportunity for us to touch something truly otherworldly,” says the European Space ...

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

Tropical Storm Chantal has formed off the southeast U.S. coast. The National Hurricane Center in Miamia says tropical storm ...

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