941–960 of 980 results

Spacecraft and Space Missions

Prepare to Be Blown Away by Iapetus

Cassini finally encounters Saturn's wacky moon Iapetus today. Don't wait for the processed pics to be released. Check out the raw images now!

Astronomy and Society

The Source of the Dinosaurs' Asteroid

Did a colossal collision in the asteroid belt 160 million years ago doom the dinosaurs? A just-published analysis argues strongly for exactly that.

Solar System

The Sun Shakes the Earth

A team of scientists makes a compelling case that sound waves rattling around inside the Sun are literally shaking Earth's interior.

Solar System

The Sun's Hot Corona: Mystery Deepens

Why is the Sun's atmosphere so hot? Physicists thought they knew the answer — powerful waves of energy moving up from the solar surface — but now they're not so sure.

Solar System

Mars Rovers Rolling Again!

Predictions that the twin Martian explorers wouldn't survive the dust storm thankfully proved to be wrong. Spirit and Opportunity are back in business.

Professional Telescopes

Rings of Uranus on Edge

For the first time since the rings of Uranus were discovered, astronomers are studying their edge-on view.

Solar System

Icy Shower Poses No Threat for Cassini

Scientists are confident that the towering ice geysers on Saturn's moon Enceladus shouldn't harm the Cassini spacecraft during a close flyby next March.

Solar System

Voyager 2's Lucky Day

Thirty years ago, on August 20, 1977, Voyager 2 left Earth and began its conquest of the outer solar system. Had it not been for the luck of the draw, this historic mission would have turned out very differently.

Solar System

One Less "Possibility of Life"?

Just because Saturn's moon Enceladus has active geysers doesn't mean it harbors alien life. That's the take-home message from an upcoming scientific paper.

People, Places, and Events

Risky Business

Two American collectors manage — barely — to get in and out of Colombia with fragments from a fresh meteorite fall.

Solar System

Do Sunspots Cycles Forecast the Rain?

A team of researchers claim that sunspot activity might accurately forecast rain in Africa.

Solar System

Do Sunspots Forecast the Rain?

A team of researchers claim that sunspot activity might accurately forecast rain in Africa.

Spacecraft and Space Missions

Phoenix Heads to Mars

Rising from the ashes of a mission to Mars that disappeared without a trace in 1999, the Phoenix spacecraft is on its way to the Red Planet.

Solar System

Understanding Saturn's G Ring

Astronomers might have found the source for Saturn's mysterious G ring.

Pro-Am Collaboration

Comet Discoverers Awarded

This year's Edgar Wilson Award went to three unique amateur comet discoverers.

Solar System

Is a New Moon News?

Thanks to the latest find by the Cassini spacecraft, we now know that Saturn has 60 satellites circling it.

Spacecraft and Space Missions

The End of the Rovers?

The dust clouds on Mars are blocking out so much sunlight that the Mars Exploration Rovers may not survive until the storm blows over.

Solar System

The Walnut-Shaped Moon

Scientists now think they know why Saturn's moon Iapetus has its distinctive nutty character.

Solar System

Ice Volcanoes Everywhere?

Pluto's largest moon, Charon, might be the latest solar system body with active geysers on its surface.

Pro-Am Collaboration

A Ringside View of Uranus

Astronomers have assembled an armada of telescopes to observe Uranus in a way that hasn't been possible since the 1960s.

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