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

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

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

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

In 1953, after years as a teacher and later as a stay-at-home mom, she began working for NASA's predecessor, the National Advisory Committee for Aeronautics, or NACA. The NACA had taken the unusual ...

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 ...

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 ...

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 ...

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