July 10, 2018 'Superstar' Eta Carinae acts like a ginormous cosmic-ray gun, but why? A huge star system 7,500 light-years away is shooting out radiation at superhigh speeds. A new study with NASA's NuSTAR space telescope shows that Eta Carinae may act as an accelerator of charged particles, which are also called cosmic rays.
July 10, 2018 NASA shocker: Astronaut reveals humans could have been on Mars in the 1960s Hero astronaut Chris Hadfield says we could've sent humans to Mars in the 1960s – but there's a very good reason we didn't.
July 10, 2018 This exoplanet is so hot, it's 'boiling off' its atmosphere The hottest known exoplanet is so hot that its atmosphere is "boiling off" and the escaping gas is being captured by its nearby host star, a new study shows.
July 9, 2018 Asteroid discovery: Rare space rock fragment found Researchers have found part of an asteroid that turned into a blazing fireball as it disintegrated over southern Africa last month.
July 9, 2018 Fireball flies across Midwest skies Sunday, leaves 'brilliant green light' A meteor forms when a meteoroid, a type of space rock that breaks off from an asteroid — a rocky body orbiting the sun — enters Earth's atmosphere.
July 9, 2018 Superbright quasar could shed light on universe's youth A newfound quasar is blasting out the brightest radio emissions ever observed in the early universe, new research reports.
July 9, 2018 The end is nigh for NASA's planet-hunting Kepler space telescope The end is near for the most prolific planet hunter of all time.
July 6, 2018 Epic crash with 'sausage' galaxy shaped Milky Way's bulge A sausage-shaped galaxy smashed into our own Milky Way billions of years ago, changing our galaxy's shape forever.
July 5, 2018 Opportunity Mars rover still silent beneath raging dust storm NASA's Opportunity Mars rover remains silent as a giant dust storm continues to swirl on the Red Planet.
July 5, 2018 Einstein's theory of gravity passes its toughest test yet Einstein's theory of general relativity has passed its toughest-ever test with flying colors, a new study reports.
