The sun has emitted several solar flares in recent days, putting space-weather experts on the lookout for northern lights ...

The sun emitted some of the most powerful solar flares this week, NASA announced.

Learn the science behind "exploding trees," why extreme cold causes frost cracks and which species are most at risk.

When temperatures plunge and the air goes painfully still, people in northern forests sometimes hear a sharp crack that ...

Changing temperatures ranging from mild to extreme cold can take a heavy toll on a lot of things during the winter and spring months, including trees. While some trees may develop frost cracks or, in ...

"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most massive black holes in the universe." ...

Exploding trees? Extreme cold snaps in Chicago can cause trees to crack and burst from freezing stress. Tree experts explain ...

Tree sap is mostly water with sugars and minerals, and like many liquids, it expands when it freezes. Gradual freezes usually ...

The Iowa DNR says sap that's warmed by the sun during the day can rapidly freeze, causing it to expand when the temperatures ...

From planet-scorching stellar outbursts to cataclysms so powerful they shiver the very fabric of spacetime, these are some of the biggest blasts our cosmos has to offer ...

A viral social media post shared thousands of times warned of an “exploding tree risk." But experts say the dramatic imagery ...