The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said the vibrant displays could be visible across much of the northern U.S.

Barbed wire can kill, injure or block migrating wildlife.

It’s the first new underwater habitat developed since the 1980s.

In California, the state veterinarian banned chicken shows to limit the spread of bird flu. That left county fairs across the state devoid of chickens — and their 7-year-old 4H caretakers despondent.

The Trump administration is using different tactics than his predecessor to get the states that share the Colorado River to agree on how to do it in a climate-changed world.

The American delegation is skipping COP this year.

Under President Trump, the U.S. has taken steps to roll back climate policies. Here are six significant changes.

James Watson, who co-discovered the structure of DNA has died at age 97. He was a scientific superstar until he made racist remarks that made him an outcast.

The Trump administration is using different tactics that his predecessor to get the states the share the Colorado river to agree how to do it in a climate changed world.

The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.