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Astronomers find possible sign of neutron star in supernova 1987A

Two teams of astronomers have made a compelling case in the 33-year-old mystery surrounding Supernova 1987A. Based on observations of the Atacama Large Millimeter/submillimeter Array...

Scientists find the remnant of an ancient globular cluster

Scientists discovered a stellar stream composed of the remnants of an ancient globular cluster that was torn apart by the Milky Way's gravity 2...

Astronomers pinpoint the best place on Earth for a telescope

Dome A, the highest ice dome on the Antarctic Plateau, could offer the clearest view on Earth of the stars at night, according to...

Sunlight plunge may have triggered ‘snowball earths’

At least twice in Earth's history, nearly the entire planet was encased in a sheet of snow and ice. These dramatic "Snowball Earth" events occurred...

Scientists tweak the age of the universe at 12.6 billion years, says study

Next time there is an argument about the age of the universe, just say it is 12.6 billion years old. University of Oregon physicist Jim...

Rare meteorites reveal their parent planetesimal in the early solar system

Most meteorites that have landed on Earth are fragments of planetesimals, the very earliest protoplanetary bodies in the solar system. Scientists have thought that these...

What happens to planets with hydrogen atmospheres?

When telescopes became powerful enough to find planets orbiting distant stars, scientists were surprised to see that a lot of them didn’t have atmospheres...

Mammal cells could struggle to fight germs from other planets

The immune systems of mammals - including humans - might struggle to detect and respond to germs from other planets, new research suggests. Microorganisms (such...

Lost world’s rediscovery paves the way for finding more habitable planets

The rediscovery of a lost planet could pave the way for the detection of a world within the habitable 'Goldilocks zone' in a distant...

Interstellar organic matter may be the source of water on Earth, says study

Scientists have found the interstellar organic matter could produce an abundant supply of water by heating. The finding suggests that organic matter could be the...