Astronomy
- Astronomy
Stellar Switch: Sun not alone in making magnetic flip-flops
After years of searching, researchers have for the first time documented that a star other than the sun flips its magnetic poles.
- Astronomy
Organic ring around nearby star
Researchers have found the first evidence that a dust ring around another star, the likely vestige of recent planet formation, contains complex organic molecules that could be the building blocks of life.
- Astronomy
Where stars are born
Some 300 young stars, hidden in visible light, shine through the dust in a new infrared portrait of the main cloud of a nearby star-forming region called Rho Ophiuchi.
- Astronomy
Going the Distance: Galaxies may hail from early universe
Using a cosmic magnifying glass to peer into the deepest reaches of space, two teams of astronomers have discovered tiny galaxies that may be among the most distant known.
- Astronomy
Embracing the Dark Side
Ten years after researchers discovered that the expansion of the universe was speeding up rather than slowing down, cosmologists are still struggling to explain the astonishing finding.
- Astronomy
Four’s a crowd
Astronomers have found a quartet of stars packed into a region smaller than Jupiter's orbit around the sun.
- Astronomy
Gravity at play: A double lens
Astronomers have discovered an extraordinarily rare double cosmic mirage.
- Astronomy
Case of the misshapen disk
A deformed disk around a young star may have gotten its swept-back appearance as the result of a collision with a dense gas cloud.
- Astronomy
X-raying a galactic jet set
The deepest X-ray portrait ever taken of the galaxy Centaurus A highlights its jets and activity around its supermassive black hole.
- Astronomy
Second Time Around: Some old stars may make new planets
Two old stars appear to have been rejuvenated and may be undergoing a new wave of planet formation hundreds of millions to billions of years after young stars normally do.
- Astronomy
Heavy Find: Weighty neutron stars may rule out exotic core
Neutron stars may be the weirdest stars in the universe, but they don't seem to be very strange, a weighty new report finds.
- Astronomy
Twinkle, Twinkle: Dark matter may have lit up first stars
The earliest stars in the universe might have been fueled by dark matter instead of nuclear fusion.
