Astronomy
- Astronomy
Clouds may keep exoplanets cool
Even when close to their stars, other worlds could harbor liquid water.
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- Astronomy
Cradled galaxies betray violent past
Hubble snaps ‘the Penguin’ and its egg-shaped companion.
- Astronomy
Hubble finds hints of a planet oddly far-flung from its star
If confirmed, the dark gap in space debris will challenge astronomers' theories.
- Planetary Science
Gone perhaps, but Kepler won’t soon be forgotten
Astronomers look forward to building on the planet-hunting telescope's discoveries.
- Space
Kepler mission may be over
The planet-hunting telescope has been crippled by the failure of two out of four pointing devices.
- Astronomy
Most Earthlike planets yet seen bring Kepler closer to its holy grail
Space telescope finds globes that, compared with our world, are slightly larger and orbit a smaller star.
- Space
No vacancy around stars
The Milky Way’s planets pack tightly around their stars, according to simulations using data from the Kepler space telescope.
- Space
Radiation ring around Earth mysteriously appears, then dissipates
Space probes detect temporary transition from two radiation belts to three, possibly in response to solar activity.
- Astronomy
Russia meteor virtually impossible to see coming
Current and planned efforts to track near-Earth objects focus on bigger quarry.
- Space
Life has prospects on moons of giant extrasolar planets
Astronomers show how bodies orbiting distant Jupiters could be habitable.
- Space
New Martian meteorite is one of a kind
Rock is water-rich and resembles observed regions of Red Planet’s crust.
