These silvery clouds have become more frequent sights over lower latitudes, including southern Canada and the northern United States.
Last night, a spectacular celestial event dazzled the skies -- the Earth blocked light from the sun, initiating a lunar eclipse.
Earth’s finishing touch came with a wallop when a Mars-sized hunk of real estate crashed into the fetal planet some 95 million years after the birth of the solar system -- later than some astronomers thought -- sending up debris that eventually formed moon.
A new app from Cosmoquest puts your knowledge of Earth to the test. 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 →
Japanese astronaut Koichi Wakata has captured many impressive views through his camera lens, but this is one of the most beautiful. Continue reading →
The world's newest satellite launch site is off to a busy start, with 16 spacecraft put into orbit within a week -- and no rocket required.
Dear Science Communication Professionals: We have a problem. Continue reading →
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