This Just In
Last night, a spectacular celestial event dazzled the skies -- the Earth blocked light from the sun, initiating a lunar eclipse.
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 →
NASA's Saturn-orbiting Cassini spacecraft has imaged something peculiar on the outermost edge of the gas giant's A-ring. Continue reading →
A helium leak on the launch pad has forced SpaceX to cancel their planned Falcon 9 rocket launch today, postponing the private company's third International Space Station resupply mission until another attempt on Friday. Continue reading →
A backup computer failure on the International Space Station will not impact the SpaceX cargo resupply run planned for later today. Continue reading →
No enthusiastic skywatcher misses a total eclipse of the moon, and if weather permits tonight, neither should you.
What is a blood moon, why does it happen, and how can you see it? Trace explains everything you need to know about this rare lunar event.
New modeling of the Pluto-Charon system give good reasons to suspect that the surface of Pluto will be riddled with faults caused in part from a liquid ocean that once lie hidden under the icy surface.
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