Betelgeuse is dimming, which could mean that it's about to explode. But scientists aren't convinced it's ready to blow.
Boeing's Starliner astronaut taxi suffered an anomaly today (Dec. 20) during its flight to the International Space Station during the Orbital Flight Test (OFT) mission.
A professor suggests there are insects on Mars, but this questionable claim could hurt the search for life, experts say.
As humankind's ancestors were learning to walk upright, a star was launched out of the supermassive black hole at the center of our galaxy at a staggering 3.7 million mph (6 million km/h).
Today (Oct. 18), NASA astronauts Christina Koch and Jessica Meir embarked on the first spacewalk in history to be completed by a team of all women.
Using 10 years of data from NASA's Hubble Space Telescope, the team of astronomers concluded that there is more gas coming into our galaxy than leaving it.
At a recent event in Boca Chica, Texas, SpaceX CEO Elon Musk confirms that, to his knowledge, we haven't yet discovered aliens.
Water vapor, and likely clouds that rain liquid water, have been discovered on an exoplanet that lies in the habitable zone of its star. But there's an issue.
In a major first, scientists have detected water vapor and possibly even liquid water clouds on a strange exoplanet that lies in the habitable zone of its host star about 110 light-years from Earth.
"Mad" Mike Hughes will have to wait until this weekend to launch after having issues with the water heater for his steam-powered rocket.
The Southern Delta Aquariids and the Alpha Capricornids will speckle the night sky tonight. Don't miss the show.
This weekend, a brilliant display of objects will shine in the night sky when the crescent moon moves into conjunction with Saturn and Venus.
Have you ever wondered why humans are so … gross? We burp, we smell, we sneeze — humans do disgusting things all day long.
Scientists have discovered 12 previously unknown moons orbiting Jupiter, and one of them is a real oddball.