Author: contact.geology

Earliest geochemical evidence of plate tectonics found in 3.8-billion-year-old crystal

A handful of ancient zircon crystals found in South Africa hold the oldest evidence of subduction, a key element of plate tectonics, according to...

Earth Day, April 22

Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes...

Eclogite samples found in China push modern-type subduction events back to 2.5 billion years ago

A team of researchers from China University of Geosciences, has concluded that eclogite samples found at the northern Central Orogenic Belt within the North...

NASA’s Perseverance rover captures video of solar eclipse on Mars

NASA's Perseverance Mars rover has captured dramatic footage of Phobos, Mars' potato-shaped moon, crossing the face of the Sun. These observations can help scientists...

Why Venus rotates, slowly, despite sun’s powerful grip: Planet’s atmosphere explains the gravity of the situation

If not for the soupy, fast-moving atmosphere on Venus, Earth's sister planet would likely not rotate. Instead, Venus would be locked in place, always...

Astronomers discover micronovae, a new kind of stellar explosion

A team of astronomers, with the help of the European Southern Observatory's Very Large Telescope (ESO's VLT), have observed a new type of stellar...

Study predicts climate change accelerates ocean currents

An international team led by researchers at Scripps Institution of Oceanography at UC San Diego used computer model simulations to find that climate change...

African dust crosses the Atlantic

A beautiful sunset over the Atlantic off the Florida coast, or an orangey glow in the Texas sky at dusk may be caused by...

Iceland volcano eruption in 1783-84 did not spawn extreme heat wave

An enormous volcanic eruption on Iceland in 1783-84 did not cause an extreme summer heat wave in Europe. But, as Benjamin Franklin speculated, the...

Perseverance rover arrives at ancient river delta for new science campaign

After collecting eight rock-core samples from its first science campaign and completing a record-breaking, 31-Martian-day (or sol) dash across about 3 miles (5 kilometers)...

A new explanation for why Jupiter’s moon has splendid dunes

Scientists have long wondered how Jupiter's innermost moon, Io, has meandering ridges as grand as any that can be seen in movies like "Dune."...

Biden restores environmental safeguards dropped by Trump

The administration of President Joe Biden on Tuesday announced it would restore safeguards in a cornerstone environmental law weakened under Donald Trump—including a duty...

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