Astronomy
- 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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- Astronomy
“Black holes” in space
Science News Letter was the first publication to use the term in print in 1964.
- Astronomy
Enormous cosmic lens magnifies supernova
Galaxy warps light of distant exploding star, greatly increasing its brightness.
- Astronomy
Earth-mass planet resembles a mini-Neptune
KOI-314c, an exoplanet 200 light-years away, is about 60 percent larger than Earth but made mostly of gas.
- Astronomy
Supernova is a dust factory
Grains of matter spewed by stellar explosion offer clues to early star formation.
- Astronomy
Unusual three-star system promises new test of gravity
A unique stellar threesome could help astronomers test the leading theory of gravity to unprecedented precision.
- Astronomy
Relic of early universe found nearby
A galaxy little changed since the dawn of the universe shows up in our celestial neighborhood.
- Astronomy
Signs of cloudy skies seen in two exoplanet atmospheres
Exoplanets GJ 436b and GJ 1214b have signatures of clouds in their atmospheres, but the skies are like nothing seen in the solar system.
- Cosmology
Best maps of the universe, bugs and all
Maps from the European Space Agency’s Planck satellite reveal the cosmos in a range of microwave and infrared frequencies.
