Planetary Science
- Planetary Science
NASA gives up on fixing Kepler
Space telescope’s days as a premier planet hunter are over.
- Planetary Science
Saturn’s tides drive icy moon’s plumes
Enceladus' chilly jets ebb and flow in time with its planet's tug.
- Planetary Science
Cassini photo puts Earth in perspective
Probe captures planet from 1.4 billion kilometers away.
- Planetary Science
Neptune gets 14th moon
Images from Hubble Space Telescope reveal tiny, dark satellite orbiting blue-green gas giant.
- Planetary Science
Gas, not planets, may be source of rings around stars
Interactions between gas and dust may form elliptical patterns.
- Planetary Science
Voyager 1 on fast track toward interstellar space
More than 35 years after launch, the probe finally nears the solar system's edge.
-
- Planetary Science
Thirty years to Mars
Excerpt from the June 15, 1963, issue of Science News Letter.
- Health & Medicine
Mars trip would deliver big radiation dose
Curiosity instrument confirms expectation of major exposures.
- Planetary Science
Gone perhaps, but Kepler won’t soon be forgotten
Astronomers look forward to building on the planet-hunting telescope's discoveries.
- 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.
- Planetary Science
Faint Young Sun
Scientists struggle to understand how early Earth stayed warm enough for liquid water.
