Astronomers have discovered a planet beyond the solar system that orbits its twin parent stars closer than any ever seen ...

If the universe is 13.8 billion years old, why is the observable universe 46 billion light-years across? This video explains ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Being slight oddities, brown dwarfs occupy a strange but useful niche in astronomy. Unlike exoplanets, which are often ...

The Hubble tension is especially troubling because it involves two sets of measurements that offer conflicting views of the ...

Cosmic dust trapped, or blocked, by Arctic ice allowed researchers to map 30,000 years of sea-ice history. Their findings ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

ORLANDO, Fla. — Government and industry analysts have identified the refueling of satellites in geostationary orbit as one of ...

A storied NASA chronograph returns with solar tech, modern durability and a newly slashed price that pushes this reissue into ...

A new research collaboration that fuses fashion and science is set to send bacteria into space—and the outcomes could create ...

The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

The tenth day of the 18th annual Space Telescope Advent Calendar features an enormous cloud of gas and dust, illuminated by a ...