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Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event

(Phys.org) -- Early on the morning of June 30th, 1908, a huge explosion occurred in a remote part of Siberia near the Podkamennaya Tunguska River. So great was the blast that trees were knocked down in neat ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 4.5 / 5 (24) | comments 20 | with audio podcast report

Engineers set their sights on asteroid deflection

Pioneering engineers at the University of Strathclyde in Glasgow are developing an innovative technique based on lasers that could radically change asteroid deflection technology.

Space & Earth / Space Exploration

created Mar 27, 2012 | popularity 4.5 / 5 (13) | comments 30 | with audio podcast

Researchers create computer simulations of primordial black holes striking the Earth

(PhysOrg.com) -- Black holes have captured the imagination of scientists and amateur enthusiasts for years. The idea of some dark entity out there in the far reaches of space sucking up anything and everything ...

Physics / General Physics

created Mar 23, 2012 | popularity 3.9 / 5 (14) | comments 37 | with audio podcast report

Space shuttle science shows how 1908 Tunguska explosion was caused by a comet

The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion ...

Space & Earth / Earth Sciences

created Jun 24, 2009 | popularity 3.4 / 5 (19) | comments 15

Getting WISE About Nemesis

Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.

Space & Earth / Astronomy

created Mar 11, 2010 | popularity 5 / 5 (10) | comments 2

Kansas scientists probe mysterious possible comet strikes on Earth

It's the stuff of a Hollywood disaster epic: A comet plunges from outer space into the Earth's atmosphere, splitting the sky with a devastating shock wave that flattens forests and shakes the countryside.

Space & Earth / Space Exploration

created Dec 14, 2009 | popularity 4.3 / 5 (16) | comments 8

Near miss, but no threat: Asteroid in close pass was smaller than thought, astronomer shows

(PhysOrg.com) -- On March 2, an asteroid whizzed past the Earth at a distance of just 41,000 miles -- a near miss by cosmic standards (most communications satellites orbit at a distance of about 22,300 miles from Earth). ...

Space & Earth / Space Exploration

created Mar 17, 2009 | popularity 4.5 / 5 (8) | comments 0

Space rock gives Earth a close shave

An asteroid of a similar size to a rock that exploded above Siberia in 1908 with the force of a thousand atomic bombs whizzed close past Earth on Monday, astronomers said on Tuesday.

Space & Earth / Space Exploration

created Mar 03, 2009 | popularity 4.4 / 5 (16) | comments 6

Tunguska catastrophe: Evidence of acid rain supports meteorite theory

(PhysOrg.com) -- The Tunguska catastrophe in 1908 evidently led to high levels of acid rain. This is the conclusion reached by Russian, Italian and German researchers based on the results of analyses of peat ...

Space & Earth / Earth Sciences

created Jul 15, 2008 | popularity 4.5 / 5 (37) | comments 6

The Tunguska Event--100 Years Later

The year is 1908, and it's just after seven in the morning. A man is sitting on the front porch of a trading post at Vanavara in Siberia. Little does he know, in a few moments, he will be hurled from his chair ...

Space & Earth / Earth Sciences

created Jul 01, 2008 | popularity 4.6 / 5 (21) | comments 3

Supercomputers offer new explanation of Tunguska disaster

The stunning amount of forest devastation at Tunguska, a century ago in Siberia, may have been caused by an asteroid only a fraction as large as previously published estimates, Sandia supercomputer simulations ...

Space & Earth / Earth Sciences

created Dec 18, 2007 | popularity 4.4 / 5 (39) | comments 11

Tunguska Event: New Details and Sensational Theory

During the press conference in Krasnoyarsk, Yuri Lavbin, the head of the last expedition, confirmed that parts of an extraterrestrial device had been discovered. The new expedition, organized by the Siberian ...

Space & Earth /

created Aug 13, 2004 | popularity 3 / 5 (21) | comments 0

Researchers say Tunguska Event was an UFO Crash: Debris of Alien Spaceship found

Members of the scientific expedition of the Siberian state foundation Tunguska Space Phenomenon have managed to uncover blocks of an extraterrestrial technical device, which crashed down on Earth on June 30th, 1908. In addition, ...

Space & Earth /

created Aug 10, 2004 | popularity 3.3 / 5 (32) | comments 0

A noctilucent masterpiece

Night-shining “noctilucent” clouds create a magical glow in the night skies over Reykjavíc, Iceland in this beautiful photo by Örvar Atli Þorgeirsson, taken on August 6. In the ...

Space & Earth / Earth Sciences

created Aug 09, 2011 | popularity 5 / 5 (3) | comments 0

Two asteroids passed close to Earth Wednesday

Earth got a double dose of close asteroid flybys on Wednesday, April 6, 2011. Two newly discovered small asteroids both passed within the distance of the Moon.

Space & Earth / Space Exploration

created Apr 07, 2011 | popularity 4.8 / 5 (12) | comments 9