Space
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We summarize the week's scientific breakthroughs every Thursday.
- Astronomy
Hubble’s new instant classic
NASA has released a stunning image of a nearby star-forming region to celebrate the telescope's 20th birthday.
By Ron Cowen - Space
Solar-staring spacecraft captures novel views of sun’s violence
NASA has released the first images recorded by the Solar Dynamics Observatory, the first craft to examine the sun’s entire disk at high resolution and over a multitude of wavelengths.
By Ron Cowen - Space
Not your grandfather’s space program
President Obama offers a new plan that would send humans to orbit Mars during the mid-2030s.
By Ron Cowen - Space
Famous Martian meteorite younger than thought
The famous fragment of Mars, once proposed to hold signs of extraterrestrial life, is still pretty old. But the rock appears to have formed about 400 million years later than earlier analyses indicated.
- Space
Stormy weather on Saturn
Astronomers have for the first time glimpsed lightning storms on Saturn.
By Ron Cowen - Space
Backward planets may have flipped into place
Reversed orbits among ‘hot Jupiters’ decreases chance of Earthlike neighbors.
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- Space
Newfound neighbor to solar system is a cool slacker
Researchers have found the closest brown dwarf to Earth and the coolest yet seen, raising the possibility that the nearest starlike body to the solar system may be a brown dwarf rather than a star.
By Ron Cowen - Space
Cosmic magnetic field strength measured
Hints of weak magnetism between galaxies narrows options for how the early universe got its fields.
- Planetary Science
Warmth in the dark age
Lower reflectivity kept Earth from freezing under a fainter young sun.
By Sid Perkins - Planetary Science
Signs of giant comet impacts found in cores
An uptick in ammonium may be evidence of a 50-billion-ton strike at the end of the ice age.
By Sid Perkins - Space
Cosmic telephoto lens shows intense, early star formation
A recently discovered galaxy gives a detailed view of stellar birth in the young universe.
By Ron Cowen