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 ...

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

From moon missions to Mars rovers, space exploration has become a regular part of the news and a shared goal for many ...

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

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

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 ...

Astronomers searching for massive black holes shredding stars found one in an unusual place -- 2,600 light years from the core of a galaxy. The roque black hole may be from an earlier merger with ...

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