Astronomy
- Astronomy
Oldest star provides hints about first supernovas
The chemical composition of star SMSS J031300.362670839.3 and four others suggests that the explosions of the early universe weren't big enough to seed galaxies with iron.
- Astronomy
Old stars gleaned neighbors’ gas, Hubble data show
Blue straggler stars can continue to burn hot after taking material from a stellar companion.
- Astronomy
Some gas clouds refuse to collapse
A study of dust gives astronomers a sharper picture of cold gas.
- Astronomy
Clouds on nearby brown dwarf mapped
A study of clouds on a nearby brown dwarf reveals partial cloud cover.
- Planetary Science
Dwarf planet Ceres gives off gassy water
Astronomers report observations that Ceres releases water molecules from two distinct spots on its surface.
- Cosmology
New supernova spotted in nearby galaxy
The galaxy M82 has given off a brilliant flash, which astronomers have confirmed as a type 1a supernova.
- Astronomy
Rosetta spacecraft checks in with Earth
The spacecraft has successfully transmitted a signal to Earth, meaning that ESA controllers can now prepare Rosetta for its August rendezvous with comet 67P/Churyumov–Gerasimenko.
- Astronomy
Planet found around sun twin in star cluster
The exoplanet YBP1194b orbits a twin of the sun in the star cluster Messier 67. Astronomers found three planets orbiting stars in the cluster.
- Astronomy
Kepler’s surprise: Planet hunter also found supernovas
NASA's now-defunct Kepler space telescope captured five stellar explosions as they happened.
- Science & Society
Tracking fireballs for science
Watching a meteor race across the night sky is a romantic experience. And now it can be a scientific one as well.
- Astronomy
Galaxies’ missing mass may hide in gas clouds
Vast reservoirs of previously undetected gas could account for much of galaxies’ matter, solving a cosmic mystery.
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