Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Astronomers have found an incredibly rare complete 'Einstein ring' - predicted by Albert Einstein more than 100 years ago.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

For centuries, Saturn’s magnificent rings have fascinated astronomers and skywatchers alike, creating one of the most iconic sights in the night sky. But in just a few weeks, a rare astronomical event ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

These two next weeks offer all but one of the planets in lovely view at nightfall. Fred Schaaf goes step by step through the ...

Missed January's planetary parade? February 2025 offers another celestial spectacle. Discover when, where & how to catch ...

February kicks off what astronomers call “galaxy season” in the Northern Hemisphere. This time of year offers the best ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

A rare extended event Unlike most planetary alignments that last just a day or two, the 2025 Planet Parade spans over three weeks, from January 21 to mid-February. Although the alignment will ...

Draw a line between the two planets, then follow that line upwards ... and the faint sheen of Saturn's rings. Mercury's appearance Mercury can be tough to spot because it's closest to the sun.