Astronomy

A physicist has weighed in on the mystery surrounding the interstellar object 'Oumumua, which flew past Earth back in 2017 at an unusually high speed.

Despite pushback from some in the scientific community, one researcher at Harvard University is moving forward with the idea that the first interstellar object ever discovered is actually a piece of alien technology.

Experts believe they may have discovered the furthest galaxy from Earth, more than 13 billion light-years away from our planet, according to a newly published study.

Texas’ Space City took another step toward the future Tuesday when Axiom Space, which aims to develop the first private space station, chose Houston as its home.

NASA has released a slew of pictures of the "Christmas star," a celestial event where the two largest planets in the solar system, Jupiter and Saturn, form what looks like a double planet.

If you've ever wondered what space sounds like, NASA has you covered.

Skywatchers in some northern parts of the U.S. are set to enjoy the aurora borealis, or Northern Lights, this week.

A flash of luck helped astronomers solve a cosmic mystery: What causes powerful but fleeting radio bursts that zip and zigzag through the universe?

A rare Halloween blue moon has been thrilling skywatchers across the globe.

Just in time for Halloween, a NASA image shows a very spooky sun.