Astronomy
- Astronomy
Mars-sized exoplanet is smallest to have its mass measured
The smallest exoplanet to be weighed is a hot, rocky cousin of the Red Planet.
- Astronomy
Pluto at last
Precision matters, whether looking at global temperatures, subatomic particles or the carefully timed approach to a faraway world.
- Astronomy
Distant galaxy may contain primeval stars
A stockpile of the first generation of stars might be lighting up gas in a galaxy that existed roughly 800 million years after the Big Bang.
- Planetary Science
Rendezvous with Pluto
Earth will get its first good look at Pluto and its five known moons when New Horizons sails past on July 14.
- Astronomy
Some of sun’s magnetic fields may act more like forests
A swaying forest of mangrovelike magnetic fields on the sun could be the answer to why the solar atmosphere is millions of degrees hotter than the surface.
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- Astronomy
Cosmic superlens gives telescopes a boost
A map of galaxy cluster Abell 2744 unveils how gravity magnifies and smears images of far more distant galaxies.
- Astronomy
In another universe, free-range planets could host life
If other universes exist, then those with denser galaxies might harbor a larger fraction of habitable worlds.
- Astronomy
Brightest galaxy discovered
The brightest known galaxy is about 350 trillion times as bright as the sun, and a supermassive black hole is to blame.
- Astronomy
Peeks into early life of supernovas show how to blow up a star
Multiple supernovas show off some of the ways a star can explode.
- Astronomy
First quasar quartet discovered
A quartet of quasars seen in the early universe may mark where a massive galaxy cluster is starting to form.
- Astronomy
Andromeda reaches out to touch Milky Way
The Andromeda galaxy is enveloped in a wispy halo of gas that extends halfway to the Milky Way.
