NASA's Spitzer Space Telescope has helped solve an infrared mystery surrounding baby star systems that has puzzled astronomers since the 1980s. Continue reading →
There's no evidence for the existence of Planet X, despite a NASA space telescope’s best efforts to track it down.
Hubble has observed some weird things since it was launched in 1990, but this is probably one of the strangest. Continue reading →
As winter descends on Mars' southern hemisphere, forming tell-tail frost in the lengthening shadows, the opposite is true in the northern hemisphere -- spring has sprung and the northernmost dunes are beginning to thaw.
If you had to imagine the weirdest-looking space rock, you might imagine the form of asteroid 624 Hektor -- its moon is also an oddity. Continue reading →
Earlier this month, a peanut-shaped asteroid buzzed Earth and astronomers managed to image it using radar. Continue reading →
As the recent X4.9-class flare ripped across the surface of the sun, a fleet of solar observatories were ready to measure its impact.
Europe's Rosetta comet-chasing mission is a triumph in engineering, but none of it would have been possible without an intimate knowledge of Kepler's laws of planetary motion.
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