A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Traditionally, eclipse maps have been constructed from the assumption that the Moon is a perfect sphere and that all ...

New NASA research reveals a process to generate extremely accurate eclipse maps, which plot the predicted path of the moon's ...

If you happened to notice the supermoon looking especially large as it was rising, you may have fallen victim to a ...

Last night the Harvest Moon Supermoon lunar eclipse put on a spectacular show for people worldwide with at least some portion of the lunar eclipse visible to over 50% of the world's population.

Exactly when to see September's full moon, the "harvest supermoon eclipse," drift into Earth's shadow to cause a partial ...

On the night of Sept. 17, Wisconsin residents will have the opportunity to witness a rare celestial event on the same night: ...

There’ll be a celestial show tonight with a stadium-sized asteroid fly-by, a Harvest full supermoon and partial lunar eclipse. Here's how to see it.

Not until 1962 was the first X-ray source outside the Solar System - Scorpius X-1 - detected by a group ... Additionally, The CfA’s HEA division operates Chandra, NASA’s flagship X-ray Observatory.

Credit: NASA It took feats of engineering and deft piloting to map the planet’s topography, an achievement that continues to pay dividends decades later. In 2000, Commander Kevin Kregel led the ...

Nasa has unfurled a solar sail in space for the first time, aiming to harness the propulsive power of sunlight for interstellar travel. The US space agency revealed that it had deployed the solar ...