When a massive star dies, it goes out with a bang, creating a stunningly bright explosion that can temporarily change the look of the night sky. The brightest and closest may be visible with the naked ...

While the name Pinwheel Galaxy can refer to M33 in Triangulum and other open spirals, it is the most common moniker for M101 (NGC 5457) in Ursa Major. Located near Alkaid (Eta [η] Ursae Majoris) at ...

M101 is a spiral galaxy of type Sc (non-compact spiral) in the constellation of the major ura. It is estimated to be virtually double the size of our Milky Way. The distance that separates the ...

Next stop: the emergency room. The M101 bus was the most dangerous in the city last year, crashing 268 times on its 12-mile route between Washington Heights and the East Village, according to data The ...

The Ukrainian army’s newest howitzers also are among its oldest. On Sunday, the first video appeared online depicting ex-Lithuanian M101 howitzers in front-line use by Ukrainian forces, apparently ...