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When two fluids don't mix well, they sometimes form strange patterns called "viscous fingering," or Saffman-Taylor instability. Studying these patterns can help scientists understand how to design systems for carbon storage, a key part of managing climate change.

A nebula where young stars sculpt dragon-like forms has been imaged in colorful detail by the Dark Energy Camera in Chile.

After the sun goes out, what will happen to the solar system — and how long will it last?

A report published in June found that the world only has three years before it crosses the 1.5 C climate target. So what should we do now?

A stem-cell-based "organ-on-a-chip" model of ALS mimics early biological changes seen in the degenerative disease.

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to understanding how early galaxies grow.

This big-eyed rainforest mammal looks like a cross between a bat and a squirrel. It glides between treetops using a furry membrane that connects its limbs.

All the broadcast information, including full program guide and show synopses, so you can watch Shark Week 2025 from anywhere from July 20-26.

Many shark species are temporarily paralyzed when turned upside down. But what benefit does this trait have?

A stunning video of the ground cracking during a magnitude 7.7 earthquake in Myanmar is revealing new surprises.

When the polar vortex stretches, North America feels the chill. New research reveals some of the stratospheric patterns controlling these cold snaps.