NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

A binary system 18,000 light-years away, emits X-rays as a Sun-like star orbits a dense companion, either a neutron star or black hole. Telescopes like Chandra, IXPE, and XMM-Newton capture its ...

And that’s why astronomers and space aficionados around the world have been thrilled by the discovery of yet another black ...

The asteroid, titled 387746 (2003 MH4), is gigantic. It is 335 metres in width, approximately 1,100 feet. That's almost the ...

The strong currents of air in thunderstorms can cause air and water to shoot up and down very quickly. When this happens, ...

Space Shuttle Endeavour is scheduled to rise off Pad 39B at Kennedy Space Center Wednesday, carrying a load that cannot be weighed with conventional scales. When the seven astronauts ride the ...

Daniela D'Amato tells us, "You're surrounded by half-a-million-year-old formations, stalactites and stalagmites. You hear the dripping sounds. It's an out-of-this-world experience." ...

Besides particles like sterile neutrinos, axions and weakly interacting massive particles (WIMPs), a leading candidate for ...

The Milky Way is often referred to as a medium-sized galaxy in the universe, with approximately 200 million stars and a massive black hole at its center ... Telescope’s NIRCam (Near-Infrared Camera) ...

NTNU researchers may have found the answer to one of the big, unanswered questions in physics. The universe is full of ...

Some stars streaking through the Milky Way at millions of kilometers per hour probably trace back to a supermassive black ...