Physics

Antimatter discovered on the International Space Station could reveal new physics

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International Space Station (ISS) is seen from NASA space shuttle Endeavour after the station and shuttle began their post-undocking relative separation May 29, 2011 in space.

Antimatter particles found on the International Space Station (ISS) may be evidence of unknown physics, new research suggests. The particles, the antimatter versions of helium nuclei, may have been produced by cosmic fireballs, – and physicists cannot explain how the fireballs were made using them. Typical Examplea theory that describes the zoo of subatomic particles. … Read more

A simple needle in a seaweed: Scientists discover a new species of chordate

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A simple needle in a seaweed

Nuucichthys rhynchocephalus gen. and sp. nov. from the Druian Marjum Formation of the House Range of Utah, USA. Credit: Royal Society Open Science (2024). DOI: 10.1098/rsos.240350 The Cambrian fossil record shows that many animal phyla were diverse and inhabited the Earth’s oceans about 518 million years ago. But while chordates—a group that includes vertebrates like … Read more