Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive ...

Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive ...

The excitement I felt for the return to our closest celestial neighbor after half a century was shared by many, but not ...

Astronomers have discovered the closest black hole to Earth. It's so close that its sister stars can be seen with the naked eye. Wednesday's announcement backs up the theory that there are lots of ...

New observations and simulations by a research team led by MPE show that a massive binary star near the center of our Galaxy ...

"With the James Webb Space Telescope now revealing more supermassive black holes in the early universe, this mechanism may help bridge the gap between theory and observation." When you purchase ...

Gravitational wave researchers working on the world’s most sensitive scientific instruments have found a way to tune their ...

Comet C/2025 R3 (PanSTARRS) continues to brighten ahead of its closest approach to Earth on April 26, and you can watch it fly between the sun and Earth through the eyes of an orbiting spacecraft this ...

Newly spotted asteroid 2026 JH2, which could be up to 115 feet wide, will fly past Earth closer than some satellites on ...

As asteroid the size of a house will pass within just 57,000 miles (92,000 kilometers) of Earth today. That’s less than a ...

A newly discovered asteroid estimated to be about 62 feet wide will zoom near Earth on Monday, though it is not expected to ...