A monstrous sunspot region 15-Earths-wide is currently so large it can be seen without binoculars or telescopes. But you'll still need proper eye protection. Here's how you can spot it without putting ...

If the Earth had an edge, I hope it would look like this. The edge of a flat Earth. I know, I know, we've talked about it ...

A massive sunspot, AR4366, erupted with dozens of solar flares in a single day, including the strongest storm of 2026. As it ...

The Sun has snapped into a hyperactive mood, unleashing a rapid-fire sequence of powerful eruptions just as a volatile sunspot rotates into direct view of Earth. The result is a wild solar flare ...

Solar flares are intense bursts of electromagnetic radiation produced by the sun. They are categorized based on their strength into several classes: A, B, C, M, and X, with each subsequent letter ...

A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.

The Sun turns, but not in the way a solid object would. It has no hard surface, no fixed edge to follow. What scientists ...

Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The ...

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February starts with a subtle surprise just after sunset Feb. 2. Jupiter is blazing away about one-third of the way to the ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

The Snow Moon will rise over the eastern horizon in India on the evening of February 1, 2026, just after sunset. For example, in Mumbai, moonrise is expected at 6:03 PM IST, with the moon setting the ...