In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes ...

The scene witnessed by Johannes Kepler after sunset on Oct. 17, 1604. While he wasn't the first to see the supernova, Kepler studied it like no one else. To recognize his detailed observations, we now ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. An explosion seen in the cosmos in the early 1600s may actually be an ...

After three years of searching, scientists have caught the elusive phenomenon. — -- The "brilliant flash" that occurs when a star dies and explodes has been captured for the first time in visible ...

Astronomers are going gaga over newborn supernova measurements taken by NASA’s Kepler and Swift spacecraft, poring over them in hopes of better understanding what sparks these world-shattering stellar ...

The supernova explosion that created this object was witnessed on Earth about 400 ago years by many skywatchers, including the astronomer Johannes Kepler. This object, which now bears Kepler's name, ...

CC0 Usage Conditions ApplyClick for more information. Astronomers have clocked debris from an exploded star moving at over 20 million miles an hour – about 25,000 times the speed of sound on Earth.