Astronomy
- Astronomy
Core mystery
Despite new images from the Hubble Space Telescope, the brightest known supernova of the past 400 years remains a puzzle for astronomers.
- Astronomy
Triple Play: A planet with three suns
Three suns grace the skies above a newly found, Jupiterlike extrasolar planet, posing a puzzle for how massive planets form in a closely-knit, multiple-star system.
- Astronomy
Core Finding: Latest, oddest planet hints at how orbs form
A newly discovered planet beyond the solar system has the most massive core of any planet known.
- Astronomy
Rumblings from a dead star
The burned-out cinder left behind when a massive Milky Way star exploded recently underwent its own outburst.
- Astronomy
Panning Distant Dust
Astronomers are using hundreds of newly detected debris disks found around a variety of nearby stars to hunt for planets and learn about the evolution of our solar system.
- Astronomy
Making waves
Locked in a deadly embrace, two white dwarf stars may be the strongest source of gravitational waves now flooding our galaxy.
- Astronomy
The supernova that wasn’t
A brilliant stellar outburst once thought to be a supernova explosion actually left the star intact.
- Astronomy
Andromeda gets bigger
A new study reveals that the diameter of the Andromeda galaxy's disk spans some 220,000 light-years, three times as big as had been estimated.
- Astronomy
Peering into a disrupted stellar nursery
A new infrared portrait of the Carina nebula star-forming region shows a clutch of baby stars tucked inside pillars of thick dust.
- Astronomy
Spotty neutron stars
Astronomers have for the first time discerned hot spots on the surfaces of neutron stars.
- Astronomy
Fleeting Flash: Pinpointing a short gamma-ray burst
An invisible, highly energetic flash detected by a spacecraft early this week may have given astronomers their first glimpse of two neutron stars colliding to forge a black hole.
- Astronomy
Planetary Picture? Criteria for planethood cloud object’s identity
Astronomers are debating whether an image of a planetary-mass object orbiting a brown dwarf qualifies as the first image of an extrasolar planet.
