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Weird makos filmed off the California coast in a new Shark Week show raise questions about what these sharks actually are.

A new executive order repeals a 52-year-old ban on commercial supersonic flights, while new technology can make supersonic flight quieter than ever before.

Experts have debated the meaning of this tomb offering for decades but generally agree it depicts some sort of ceremony or ritual.

Other metals might be worth their weight in gold, but can they be turned into it?

A study of prehistoric skeletons from the Italian Alps shows that society may have been organized around fathers and that Ötzi the Iceman had a unique family lineage.

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.