Reef fish survival threatened by motorboat noise

Reef fish exposed to motorboat noise can end up smaller and struggle to escape predators, says new research into dangerous underwater noise.

These microbes in Antarctica don’t live anywhere else

Researchers have discovered that some microbes in Antarctica are unique to the icy continent and are found nowhere else on Earth.

Hurricane triplets spin across the Pacific Ocean

Rare hurricane triplets are currently spinning across the Pacific Ocean: Lowell, Karina and Marie. Did El Niño play a part? Find out here.

Will El Niño become supersized? What experts are saying

El Niño is here. But will it become supersized? NOAA says there's a 90% or greater chance for El Niño to become "very strong" between September and January.

Giant trees break a decades-old science theory

Giant trees have evolved remarkable adaptations that allow them to reach extreme heights while maintaining efficient water transport.

Do you love twilight? The 3 stages explained

Twilight is that magical time between sunlight and darkness. Astronomers, experts on nighttime, recognize 3 stages of twilight.

Nepal flash flood nightmare: What caused it?

On August 26, 2026, a glacier collapse and landslide triggered a huge release of water. The Nepal flash flood wiped out villages and took untold lives.

National parks from space: How many can you name?

Take the quiz to see how many national parks from space you can name. And don't forget to celebrate National Park Week, from August 22 to 30!

Will you see colors in aurora? Or do you need a camera?

If you live below 50 degrees N. latitude, any aurora visible is likely to be low on your horizon, and you're less likely to see vivid colors.

1st photo of Earth from the moon 60 years ago

As NASA plans to land astronauts on the moon with the Artemis IV mission in 2028, it's fun to see this 1st photo of Earth taken from the moon.