By mapping the distribution of water and 'semi-heavy water' over the Martian surface, scientists have revealed that the red planet had an ancient ocean covering nearly 20 percent of its landmass.
Astronomers have discovered a stellar rarity deep inside an oddly-shaped nebula -- two white dwarf stars on the verge of a cataclysmic merging event.
Hiding deep inside the Gum Nebula, some 1,300 light-years from Earth, are a collection of mysterious objects that look like comets -- but they're certainly NOT comets.
Welcome to HL Tauri -- a star system that is just being born and the target of one of the most mind-blowing astronomical observations ever made. Continue reading →
It's often said where there's smoke, there's fire -- but the only fire here is the reddish glow from vast clouds of ionized hydrogen, set alight by the powerful UV radiation pouring out of nearby hot young stars. Continue reading →
A black hole is eating a star faster than scientists had thought was possible, and it's unleashing unusually bright X-ray signals that may help scientists understand a group of weird, superbright objects in deep space.
A spectacular new photo shows a cluster of stars whose brightest objects form a triangle that has been likened to a flock of ducks in flight.
The "lithium problem" has been a quandary for astronomers for decades, but now, with the help of one of the world's most powerful observatories, we've discovered that the puzzle isn't exclusive to stars inside the Milky Way. Continue reading →
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