Even though Mercury is one of the brightest objects in the sky, very few observers have ever seen the planet in the night sky. That's because it never strays very far from the sun, and is usually lost in its glare.
A vast and powerful space weather event has been observed at the solar system's innermost planet for the first time. Continue reading →
By now we've all realized that NASA's Mars rover Curiosity is a fine geologist. It's also a great geochemist. And now, once again, the six-wheeled rover has underlined the fact that it's a pretty damned good astronomer, too. Continue reading →
This month, stargazers have a chance to see the five brightest planets in the sky, weather permitting.
It's been 40 years since we first saw Mercury up close, and the flyby raised more questions than it answered.
An obsolete theory of the Earth works better than ever on Mercury, where new data reveals how much the hot little planet has shriveled since it first formed.
As we say goodby to NASA astronaut Scott Carpenter who died this week at the age of 88, take a look back at his historic Project Mercury spaceflight in 1962.
Scott Carpenter, who became the second US astronaut to orbit the Earth in 1962, died Thursday in Colorado aged 88.
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