Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...

Astronomers have witnessed one of our universe's biggest stars transforming into a rare stellar body, and the dramatic metamorphosis may be the prequel to a powerful supernova explosion that sees this ...

NASA's Solar Dynamics Observatory captured a massive 'tornado' on the sun in multiple wavelengths. Unlike the Earth, ...

NOAA is forecasting a G1-class geomagnetic storm on Monday, Feb. 23, through Tuesday, Feb. 24, with the aurora borealis ...

A team led by Shadia Habbal at the Institute for Astronomy — drawing on more than a decade of eclipse observations — for the first time clearly identified turbulent structures in the sun’s corona, ...

A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar material into space. This can come in the form of coronal mass ejections, where ...

The Sun would be a far more powerful telescope than any humanity could create in the near future. But to use it, we need to get to 650 AU.

Steven Spielberg’s “Disclosure Day” approaches. The UFO-themed project is poised as one of the biggest movies of the summer. And a new spot that played during the Super Bowl confirms that “Disclosure ...

This Feb. 4, 2026, image from NASA’s Solar Dynamics Observatory (SDO) captures a strong solar flare erupting from the star. Solar flares are powerful bursts of energy that can, along with other types ...

The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on Sunday, Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET and 7:36 p.m. ET, ...

A NASA probe has started its mission to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun, the space agency announced on Monday. The space ...

Just days after Big Bear bald eagles Jackie and Shadow had their second egg of 2026, both eggs appear to be cracked and ruined. A little before noon on Friday, Jan. 30, the two eagles, whose annual ...