Space
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We summarize the week's scientific breakthroughs every Thursday.
- Earth
Back to the moon’s future
New crater and composition measurements from NASA’s Lunar Reconnaissance Orbiter are helping scientists understand the moon’s history and scout for future landing sites.
- Space
Between the sheets
The detection of layered minerals in a young star’s planet-forming region suggests an origin for Earth’s oceans.
By Ron Cowen - Space
Asteroids miss with astronomers
Close brushes with small objects like the ones that swept past Earth on Wednesday are actually fairly common.
By Ron Cowen - Space
Mars shows signs of recent activity
The surface of Mars had abundant liquid water as well as volcanic activity during the past 100 million years, a new study of the Martian atmosphere suggests.
By Ron Cowen - Astronomy
Mars organics get new lease on life
More than three decades after the Viking mission failed to find compounds necessary for carbon-based life, a new analysis suggests they could actually be present at detectable levels in the planet’s soil.
By Ron Cowen - Space
Changing one of nature’s constants
A controversial new study suggests that an immutable value that governs the strength of the electromagnetic force varies along different directions.
By Ron Cowen - Space
Still no Earths, but getting closer
Two newly discovered planetary systems shed light on the likelihood of producing terrestrial planets.
By Ron Cowen - Space
Solar system older than estimated
A meteorite’s age has pushed back the estimated time of the solar system’s formation by almost 2 million years.
- Space
Moon shrinks
New pictures expand evidence of the moon’s shrinkage over the past billion years.
- Planetary Science
Worldwide slowdown in plant carbon uptake
A decade of droughts has stifled the increasing growth of terrestrial vegetation.
By Sid Perkins - Space
Mining for Missing Matter
In underground lairs, physicists look for the dark stuff.
By Ron Cowen - Astronomy
Celestial wish list
A panel of astronomers ranks proposed astrophysics projects for the coming decade.
By Ron Cowen