Hubble watches star clusters on a collision course

(Phys.org) -- Astronomers using data from NASA's Hubble Space Telescope have caught two clusters full of massive stars that may be in the early stages of merging. The clusters are 170,000 light-years away in the Large Magellanic ...

Climate: Iodic acid influences cloud formation at the North Pole

The Arctic is warming two or three times faster than the rest of the planet. This amplified warming is due to several factors, but the relative importance of each one remains still unclear. "We do know, however, that clouds ...

Clusters of gold atoms form peculiar pyramidal shape

Freestanding clusters of 20 gold atoms take the shape of a pyramid, researchers have discovered. This is in contrast with most elements, which organize themselves by forming shells around one central atom. The team of researchers ...

A dusty lab in the sky

Joe Nuth loves dust. Among astronomers, that puts him in a minority.

Aftershocks of 1959 earthquake rocked Yellowstone in 2017-18

On Aug. 17, 1959, back when Dwight D. Eisenhower was president, the U.S. had yet to send a human to space and the nation's flag sported 49 stars, Yellowstone National Park shook violently for about 30 seconds. The shock was ...

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