Why do some places wait 1,000 years to see a total solar eclipse while others get two in a decade? The surprising orbital mechanics behind where eclipses happen — and don't.

The moon crossed the sun's path on February 17, causing what is known as an annular solar eclipse. The sun was not covered ...

On February 17, 2026, an annular solar eclipse occurred, offering a spectacular view of the “ring of fire” in the sky. The European Space Agency (ESA) captured this rare cosmic event from space ...

On Feb. 17, 2026, the moon slipped directly between Earth and the sun, creating a spectacular 'ring of fire' visible to very few people on Earth, but ESA's Proba-2 had had the best seat in the house.

Sky This Week is brought to you in part by Celestron. Friday 20Once the waxing Moon sets this evening, its disappearance ...

Sediments from Scotland hint that ocean-atmosphere interactions continued more than 600 million years ago despite widespread ice.

Comet 29P/Schwassmann-Wachmann 1, a city-sized icy body that orbits the Sun at roughly 6 astronomical units, is known for sudden outbursts that can produce a glowing coma with a spiral, ...

Scientists at Lawrence Livermore National Laboratory simulated one million satellite orbits in the vast stretch of space ...

Imagine an object so colossal that, if it occupied the place of our Sun, its surface would extend beyond the orbit of Saturn. Imagine a star that challenges not only the known physical limits, but ...

Following a massive cryovolcanic eruption, the mysterious Comet 29P/Schwassmann-Wachmann has been morphed into a giant spiral ...

A distant planet’s final spiral into its star reframed Earth’s fate: not one sudden end, but long quiet thresholds over deep time.

NASA launched a sounding rocket from Alaska in the predawn hours of February 9, 2026, as part of a campaign to investigate one of the most puzzling features of the northern lights: the black aurora.