Stars

The complex dynamics of spinning tops, such as dreidels, allow for bewildering designs and handy physics demos.
Zack Savitsky, Contributor
The fastest-spinning white dwarf on record completes a full rotation in 25 seconds.
Charles Q. Choi, Contributor
Reducing light pollution could be as easy as turning off a switch, but it still requires a well-coordinated effort.
Yuen Yiu, Staff Writer
The four-year process of casting the sixth of seven primary mirrors for the Giant Magellan Telescope began this month.
Catherine Meyers, Editor
Dark sky tourism seeks to preserve the rich storytelling history of the indigenous people before it fades away.
Yuen Yiu, Staff Writer
The heavenly orbs are not quite stars and not quite planets.
Rebecca Boyle, Contributor
Multiple researchers suggest that dead magnetic stars have likely been behind the rare, intense bursts of radio waves that began in 2007.
Ramin Skibba, Contributor
For the first time, astronomers have discovered a planet that survived the death throes of its star.
Charles Q. Choi, Contributor
The method may be able to improve solar flare prediction using only satellite images of the sun.
Meredith Fore, Contributor
We honor the spacecraft’s 16-year journey with five beautiful images from the telescope.
Abigail Malate, Staff Illustrator
Some scientists have been poking at the foundations of dark energy, but many say the concept remains on solid, if mysterious, ground.
Ramin Skibba, Contributor
That’s when the two stars in the binary system V Sagittae are set to merge in a spectacularly luminous fashion.
Abigail Malate, Staff Illustrator