Galaxies are massive and beautiful islands of stars. But did you know that most galaxies are surrounded by halos? A complex instrument on the Very Large Telescope is giving astronomers new views of these galactic rings of light.
Try catching the young moon after sunset on July 3 or 4, 2019. The watch for the waxing crescent moon to pair up with Regulus, the brightest star in the constellation Leo the lion, on or near July 5.
Scientists say increased carbon dioxide (CO2) in Earth's atmosphere is causing global temperatures to warm - sea levels to rise - and storms, droughts, floods and fires to become more severe. Here are 6 things about CO2 you might not know.
DART stands for Double Asteroid Redirection Test. The DART mission is planned for launch in 2021. It'll visit a double asteroid - Didymos and its tiny moon - and crash into the moon in an attempt to change its orbit.