A surprisingly simple explanation for 'Oumuamua's weird orbit

In 2017, a mysterious comet dubbed 'Oumuamua fired the imaginations of scientists and the public alike. It was the first known visitor from outside our solar system, it had no bright coma or dust tail, like most comets, and ...

AI 'nose' predicts smells from molecular structures

In a major breakthrough, scientists have built a tool to predict the odor profile of a molecule, just based on its structure. It can identify molecules that look different but smell the same, as well as molecules that look ...

Webb Telescope proves galaxies transformed the early universe

In the early universe, the gas between stars and galaxies was opaque—energetic starlight could not penetrate it. But 1 billion years after the big bang, the gas had become completely transparent. Why? New data from NASA's ...

Trio of Sentinel satellites map methane super-emitters

In the quest to address climate change and reduce greenhouse gas emissions, detecting methane leaks—a potent contributor to global warming—has become increasingly vital. Researchers are harnessing the capabilities of ...

Astronomers find spark of star birth across billions of years

Astronomers have completed the largest and most detailed study of what triggers stars to form in the universe's biggest galaxies, using NASA's Chandra X-ray Observatory and other telescopes. They were surprised to find that ...

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