This Just In
There's no evidence for the existence of Planet X, despite a NASA space telescope’s best efforts to track it down.
NASA's Spitzer Space Telescope has helped solve an infrared mystery surrounding baby star systems that has puzzled astronomers since the 1980s. Continue reading →
A giant clump of carbon monoxide found around a nearby star hints at collisions between comets and the presence of a massive hidden planet. 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.
Out of the thousands of craters scarring the face of Mars, one has emerged as the likely source of most of the Martian meteorites that have been recovered on Earth.
Hubble has observed some weird things since it was launched in 1990, but this is probably one of the strangest. Continue reading →
It happens 20 times a year, but the mere mention of an asteroid flying past Earth is enough to whip the tabloid press into a frenzy. Continue reading →
Back when the universe was half its present age, supermassive black holes were feeding from a steady and plentiful diet of neighboring galaxies, the first measurement of a distant supermassive black hole’s spin shows.
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