Space
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We summarize the week's scientific breakthroughs every Thursday.
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AstronomyCool Cosmos: Orbiting telescope views infrared universe
Astronomers unveiled the first images and spectra taken by the most sensitive and highest-resolution infrared observatory ever sent into space.
By Ron Cowen -
Planetary ScienceDid rivers once run on the Red Planet?
A fan-shaped region of debris on Mars is providing new evidence that some places on the Red Planet, now bone-dry, once had long-lasting rivers or lakes.
By Ron Cowen -
Planetary ScienceDid rivers once run on the Red Planet?
A fan-shaped region of debris on Mars is providing new evidence that some places on the Red Planet, now bone-dry, once had long-lasting rivers or lakes.
By Ron Cowen -
AstronomyBreach of the Shield: Magnetic links between sun and Earth last hours
Once breaches have formed in Earth's protective magnetic field, they persist for many hours, allowing charged particles from the sun to gush through and create electrical disturbances.
By Ron Cowen -
AstronomySpying a planet in star’s dusty veil
Astronomers blocked out the light of a nearby star and found hints of an orbiting planet.
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AstronomyAlien stars pass close to home
Stars from an alien galaxy are raining down on our own Milky Way and passing just a few hundred light-years from Earth.
By Ron Cowen -
AstronomySolar Flip-Flops: Sun storms spawn magnetic reversal
Coronal mass ejections, billion-ton clouds of charged particles blasted from the sun, appear to play a key role in reversing the sun's magnetic poles every 11 years.
By Ron Cowen -
Planetary ScienceMartian sand ripples are taller than Earth’s
New data gathered by a Mars-orbiting probe suggest that large ripples found in sandy areas of the Red Planet are more than twice as tall as their terrestrial counterparts.
By Sid Perkins -
Planetary ScienceGiant picture of a giant planet
The Saturn-bound Cassini spacecraft has taken the sharpest global portrait of Jupiter ever obtained, showing the planet's turbulent atmosphere in true color.
By Ron Cowen -
Planetary ScienceMoonopolies
Recently discovered tiny satellites, all orbiting the outer planets in strange paths, may shed new light on a critical last phase in the formation of the planets.
By Ron Cowen -
AstronomySound of the fury
On Oct. 28, the Saturn-bound Cassini spacecraft recorded the radio wave "sound" of a powerful solar flare as it raced toward Earth.
By Ron Cowen -
AstronomyChow Down! Milky Way gobbles its closest known neighbor
A tiny, newly discovered galaxy being shredded by the gravity of the Milky Way is our galaxy's closest known neighbor, residing just 42,000 light-years from the Milky Way's center.
By Ron Cowen