A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth's history could have delivered a major share of Earth's water. A new study by Universities Space Research ...

At around 10:04 pm it will reach its peak, taking on a red hue. This “blood moon” is caused by sunlight still filtering ...

Video that shows a huge fireball that was reported to The American Meteor Society over 12 US states. Watch an amazing home ...

A few dozen people made their way to the Placerville Observatory on Monday night, hoping to catch a rare glimpse of the ...

Skywatchers can look forward to an extraordinary year as 2026 brings a steady lineup of rare planetary alignments, striking ...

On February 28, we will see not one, not two, but six planets in the evening sky. Mercury, Venus, Neptune, Saturn, Uranus, ...

Northern lights were reported across mid-latitudes, with sightings stretching from Germany to the southwestern United States, ...