One of the least likely places you might think astronomers would learn about ancient supernovae is at the bottom of the ocean but scientists have done just that -- also dredging up a mystery. Continue reading →
Eight new exoplanets have been discovered, two of which are nearly Earth-sized orbiting within their stars' habitable zones. Continue reading
NASA’s Mars rover Curiosity’s discovery of organic compounds in the ground and plumes of methane in the air opens two potentially related investigations into whether or not the planet most like Earth in the solar system also hosted life.
A gas strongly associated with life on Earth has been detected again in the Martian atmosphere, opening a new chapter in a decade-old mystery about the on-again, off-again appearance of methane on Mars.
Dust gets everywhere, particularly around young stars. But when it comes to the presence of dust in their interplanetary environments, many mature sun-like stars are very house-proud. Continue reading →
The mineral, hematite, is formed when another mineral, magnetite, is exposed to Mars’ atmosphere and water. Continue reading →
The Milky Way may be home to some 3,000 extraterrestrial civilizations but the vast distances between our galactic cousins will make contact extremely rare, a new study concludes.
If Professor Hubert Farnsworth's 'Smell-O-Scope' actually existed, astrobiologists would have pointed it at dozens of alien planets by now.
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