The discovery of all five nucleobases on Ryugu strengthens the idea that life’s molecular ingredients formed in space before reaching Earth. A new study reports that samples from the asteroid Ryugu contain all five fundamental nucleobases, the molecular “letters” of life. Tiny asteroid grains can preserve chemical clues about the ingredients that may have helped [...]

On June 20, 1943, Pingualuit Crater (formerly known as Chubb Crater and as the New Quebec Crater) was first photographed by a U.S. Army Air Force crew during a meterological flight over northern Quebec. Formed approximately 1.4 million years ago by a meteorite impact, the 2.1-mile-wide (3.4 kilometers) crater has an unusually circular shape resultingContinue reading "June 20, 1955: Pingualuit Crater is discovered"

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We’re used to a lot of different natural things falling out of the sky. These can include snow, rain, and sometimes even frogs (yes, really). All of these relate to weather phenomena. Far more exotic things fall from the sky that are not related to weather. Earth is pelted by about 14 tons of micrometeoritesContinue reading "A meteorite impact may have once rained gold on Western Australia – new study"

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A rare meteorite recovered from the Sahara Desert has revealed compelling evidence for a long-lost world that existed during the solar system’s earliest days. About 4.5 billion years ago, a large planetary body, potentially as large as the Moon or even Mars, orbited the Sun before colliding with another object and breaking apart. Now, researchers [...]

Krotite is a cosmic relic, one of the oldest minerals in the Solar System.

For a split second, a fireball outshone the rivers of molten lava flowing from the Philippines’ most active volcano.