Astronomy
- Astronomy
X-rays offer early warning for solar flares
X-rays shot out by the sun foretell the intensity of an upcoming solar flare, new research suggests.
- Astronomy
Ringing rings reveal Saturn’s innards
Scientists propose that exotic structures are buried within Saturn, based on analyses of subtle vibrations in the planet’s rings.
- Astronomy
Galactic split provides clue to dark matter mystery
An oddly divided galaxy may provide the first evidence that dark matter particles interact through a force other than gravity.
- Astronomy
Map pinpoints location of invisible dark matter
A new map shows that dark matter is concentrated in regions that contain a lot of ordinary matter in the form of galaxy clusters.
- Astronomy
Map pinpoints location of invisible dark matter
Dark matter can’t be seen, but a new map shows where it’s hiding. The map confirms that the mysterious matter is concentrated in regions that contain a lot of ordinary matter in the form of galaxy clusters.
- Astronomy
Afterglow alerts astronomers to gamma-ray burst
Astronomers have spotted the remnant glow from a gamma-ray burst without first observing its beam of high-energy gamma rays.
- Astronomy
Source of puzzling cosmic signals found — in the kitchen
One type of radio burst has a pretty mundane origin: prematurely opened microwave ovens.
- Astronomy
Cyanides around young star signal complex organic chemistry
Abundances of cyanide compounds around a young star match those found in comets in our solar system.
- Science & Society
One anniversary to celebrate, one to contemplate
In this issue, both feature articles focus on anniversaries, though of two very different kinds.
- Astronomy
Celebrating 25 years of the Hubble Space Telescope
The Hubble Space Telescope has served for more than two decades as the sharpest eyes ever to peer into the universe.
- Astronomy
The art of astronomy
Astronomer Zoltan Levay uses the Hubble Space Telescope to create stunning images of cosmic landscapes.
- Astronomy
Saturday’s lunar eclipse will be total, but brief
A brief total lunar eclipse on April 4 favors observers from western North America to Australia.
