Space
We summarize the week's scientific breakthroughs every Thursday.
- Astronomy
The solar system has a tail
Clover-shaped clumps of charged particles extend billions of kilometers in our wake.
- Planetary Science
Gas, not planets, may be source of rings around stars
Interactions between gas and dust may form elliptical patterns.
- Astronomy
Clouds may keep exoplanets cool
Even when close to their stars, other worlds could harbor liquid water.
- Space
Interstellar chemistry makes use of quantum shortcut
Reactions in the frigid cold of space are sped by a quirk of physics, researchers propose.
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- 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.
- 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.
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- 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.
