Astronomy
- Astronomy
The sun isn’t the only light source behind that summer tan
About 99.999% of the light that creates a suntan comes from the sun; the rest comes from the Big Bang and galaxies throughout the universe.
- Astronomy
Vanished star may be first known failed supernova
A star that vanished in another galaxy might be the first confirmed case of a failed supernova — and the birth of a black hole.
- Astronomy
Gaia mission’s Milky Way map pinpoints locations of billion-plus stars
New map of the galaxy provides unprecedented positions of over 1 billion stars and promises of a detailed 3-D atlas to come.
- Astronomy
Proxima b deserves buzz, even if some didn’t notice
Editor in chief Eva Emerson discusses Earth's newest potentially habitable neighbor.
- Health & Medicine
Readers contemplate aging research
Aging research, dino guts and Earth's quasisatellite in reader feedback.
- Astronomy
Black hole app lets you blow up stars
NOVA’s Black Hole app for iPad is an addictive game that teaches lessons about gravity and astronomy while letting you hurl stars at one another.
- Tech
SpaceX rocket explodes on Florida launchpad
SpaceX has lost a Falcon 9 rocket and its satellite payload in a standard prelaunch test.
- Astronomy
Radio signal probably not from extraterrestrials
A possible radio signal from extraterrestrials probably originated a lot closer to home.
- Astronomy
Signs of planet detected around sun’s nearest neighbor star
A planet roughly the size of Earth orbits within the habitable zone of Proxima Centauri, the closest star to the sun.
- Astronomy
Astronomers prepare for 2017 solar eclipse spectacle
With one year to go, researchers are making plans for studying both the sun and Earth during the August 2017 total solar eclipse.
- Astronomy
Tabby’s star drama continues
Tabby’s star, already known for its bizarre flicking and fading, dimmed throughout the four years of Kepler’s primary mission.
- Astronomy
Dark matter candidate particles are a no-show in Hitomi data
Before the Hitomi satellite broke apart, it captured data that cast further doubt on evidence of X-rays from dark matter particles in a galaxy cluster.
