Trying to understand the ancient climate of our own planet is hard enough, but to understand Mars' climatic history, planetary scientists have had to turn to a rather inventive method of climate forensics. Continue reading →
It seems the strange "light source" seen in one of Mars rover Curiosity's landscape observations has two possible rational -- yet fascinating -- explanations. Continue reading →
Is that an artificial light produced by an intelligent being on Mars? Did I really need to ask? Continue reading →
The hunt for the hypothetical Planet X has been fruitless so far, but that doesn't mean astronomers are calling it off.
It's been 40 years since we first saw Mercury up close, and the flyby raised more questions than it answered.
The world's premier space agency has joined the search for a Malaysian commercial jetliner that vanished into thin air over the weekend.
NASA's Spitzer Space Telescope has helped solve an infrared mystery surrounding baby star systems that has puzzled astronomers since the 1980s. Continue reading →
Hubble has observed some weird things since it was launched in 1990, but this is probably one of the strangest. Continue reading →
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