Astronomy
-
Astronomy
Europa’s geysers play hard-to-see
Follow-up observations of Europa failed to confirm the existence of geysers venting the Jupiter moon’s hidden ocean into space.
By Andrew Grant -
Astronomy
Hubble telescope spots our galaxy’s newest neighbor
The Milky Way galaxy has a new neighbor, Hubble images show.
-
Astronomy
Revived Kepler telescope finds first exoplanet
NASA’s Kepler space telescope finds its first planet — a possible super-Earth — since getting a second chance at life.
-
Planetary Science
Rosetta may have spotted comet’s primordial ingredients
Photos taken by the Rosetta spacecraft may show pristine material that formed the solar system’s comets, asteroids and planets roughly 4.6 billion years ago.
By Andrew Grant -
Astronomy
Year in review: Dust obscures possible gravitational wave discovery
A possible signal from moments after the Big Bang may be due to dust in the Milky Way galaxy.
-
Planetary Science
Year in review: Rosetta mission hits its target
The Rosetta spacecraft and its lander Philae are providing an intimate look at the life of comet 67P/Churyumov-Gerasimenko.
-
Astronomy
Gamma-ray bursts may repeatedly wipe out life
Brief bursts of high-energy radiation may sterilize most planets across the universe, hampering the chances for widespread intelligent life.
By Andrew Grant -
Astronomy
Year in review: Kepler gets second chance at life
This year, Kepler engineers figured out how to stabilize the almost-defunct Kepler telescope, while astronomers found hundreds more worlds.
-
Planetary Science
Rosetta casts doubt on comets as Earth’s water providers
Water in comet 67P’s thin, hazy atmosphere doesn’t chemically match Earth’s oceans, suggesting that asteroids, not comets, brought water to the planet.
-
Astronomy
Radio burst from beyond Milky Way detected in real time
First real-time detection of radio burst from outside galaxy triggers worldwide hunt for cause of mysterious signals.
-
Astronomy
NASA’s Orion spacecraft has flawless first test flight
NASA’s new vehicle for human exploration of deep space has successfully completed its first unmanned test flight.
-
Astronomy
Starlight robs galaxy of stellar ingredients
Light from newborn stars drives gas out of a distant galaxy, a process that may prevent future stars from being born.