A 40-year study shows the Sun’s internal structure subtly shifts between quiet cycles, offering clues to future solar ...

Scientists have analyzed more than 40 years of astronomical data to uncover evidence that the sun's internal structure subtly ...

A celestial spectacle is set to grace the sky on Tuesday: a total lunar eclipse will make the moon appear blood red to ...

A star thousands of times larger than the Sun just underwent a dramatic transformation that's a prelude to catastrophe.

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

Some of the universe’s most extreme explosions leave behind almost no trace. The original explosion is unseen, but our ...

Close-up measurements from NASA’s Parker Solar Probe are giving scientists an unprecedented look at how the solar wind gains energy and speeds away from the sun.

The curious minds at What If investigate the catastrophic scenario of the sun exploding, revealing how life on Earth and the very fabric of our solar system would be instantly and drastically ...

An intense solar flare erupted from a spot on the sun on Sunday, triggering radio blackouts across the South Pacific Ocean—and now scientists are warning of geomagnetic storms in the coming days. The ...

Chicago residents are weathering a dangerous cold snap this week — but so are the trees. After a post on X warning of “exploding trees” went viral on social media ahead of this week’s polar vortex, ...