Search results for meteor

Earth Sciences Jun 8, 2024

Study finds fresh water and key conditions for life appeared on Earth a half-billion years earlier than thought

We need two ingredients for life to start on a planet: dry land and (fresh) water. Strictly, the water doesn't have to be fresh, but fresh water can only occur on dry land.

Planetary Sciences May 21, 2024

Peering into Pluto's ocean using mathematical models and images from the New Horizons spacecraft

An ocean of liquid water deep beneath the icy surface of Pluto is coming into focus thanks to new calculations by Alex Nguyen, a graduate student in Earth, environmental and planetary sciences in Arts & Sciences at Washington ...

Planetary Sciences May 31, 2024

Martian meteorites deliver a trove of information on red planet's structure

Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists at Scripps Institution of Oceanography at UC San Diego and colleagues have analyzed ...

Planetary Sciences May 22, 2024

Video: Fireball witnessed by weather satellite

While a meteor lit up the skies over Spain and Portugal recently, it was also captured by the Meteosat Third Generation Imager weather satellite hovering 36,000 km away in geostationary orbit.

Planetary Sciences Jun 14, 2024

Quebec lake meteorite impact yields rare rocks and evidence of extreme heat

For more than a decade, Western University planetary geologist Gordon "Oz" Osinski has led expeditions to Kamestastin Lake in Labrador. The environment is a perfect training ground because the properties and rock formations—created ...

Space Exploration May 29, 2024

NASA to measure moonquakes with help from InSight Mars mission

The technology behind the two seismometers that make up NASA's Farside Seismic Suite was used to detect more than a thousand Red Planet quakes.

Environment Jun 5, 2024

UN chief urges fossil fuel ad ban as heat records pile up

Humans are as dangerous to Earth as the meteorite that drove dinosaurs to extinction, the UN chief said Wednesday, urging an end to fossil fuel ads after 12 months that were the hottest on record.

Planetary Sciences Jun 11, 2024

NASA's asteroid sample mission gives scientists around the world the rare opportunity to study an artificial meteor

Earth is constantly bombarded by fragments of rock and ice, also known as meteoroids, from outer space. Most of the meteoroids are as tiny as grains of sand and small pebbles, and they completely burn up high in the atmosphere. ...

Environment Jun 6, 2024

Extreme early-summer heat wave peaks in western US

An extreme early-summer heat wave was expected to peak Thursday across much of the western United States, where millions were scrambling to cope with the sudden sharp rise in temperatures.

Planetary Sciences May 29, 2024

What you will and won't see from June's planetary parade

Six planets will link up before dawn on June 3 in what's known as a planetary parade. But the spectacle won't be as eye-catching as expected: Only two planets will be visible to the naked eye.

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