Science

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Star trails captured at Cyclops Rock in Joshua Tree National Park. Photo by Hannah Schwalbe via NPS. Grab your binoculars and get your telescope ready as the Perseids are back! This dazzling meteor shower, known for its intensity and high visibility, is set to take over the night skies and fill your summer nights with magic. The Perseid meteor shower …

Dear RW readers, can you spare $25? The week at Retraction Watch featured: Our list of retracted or withdrawn COVID-19 papers is up past 500. There are more than 60,000 retractions in The Retraction Watch Database — which is now part of Crossref. The Retraction Watch Hijacked Journal Checker now contains more than 300 titles. And have you seen our …

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Much of Earth’s ancient past lies beneath the sea. Professor Jerome Dobson of the University of Kansas coined the term “aquaterra” to describe now-submerged lands once inhabited by early humans who used them to migrate. These regions vanished as sea levels rose after the last ice age. In collaboration with Giorgio Spada of the University of Bologna and Gaia Galassi …

Deep beneath the Earth’s surface, far beyond the reach of sunlight, life finds a surprising source of energy. A new study reveals that when rocks crack during earthquakes, they release bursts of hydrogen and oxidants—chemicals capable of sustaining entire microbial ecosystems. Fault Lines Turn Into Microbial Oases Researchers at the Guangzhou Institute of Geochemistry (GIGCAS), led by Professor He Hongping …

The molecules that form the building blocks to life may be far more common in space than once thought, according to researchers from the Max Planck Institute. Their work, published in The Astrophysical Journal, reports the detection of over a dozen types of complex organic molecules swimming closely around a protostar in the constellation Orion, suggesting that the chemicals can …

SpaceX just took a big step toward its next astronaut launch. The company announced Thursday (July 24) that it has moved its Crew Dragon capsule “Endeavour” to the hangar at historic Pad 39A at NASA’s Kennedy Space Center in Florida. Endeavour is scheduled to launch atop a Falcon 9 rocket from Pad 39A — the liftoff site of most Apollo …

It’s a bird. It’s a plane. No, it’s a Starlink satellite. This morning, several viewers reached out, asking what a strange light was in the sky. While many people had their theories, we’ve learned that light was from SpaceX launching Starlink satellites into low Earth orbit. You can read what SpaceX says about that here. On its website, the company …

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the satellites we use for navigation, communication and Earth observation every day. But you might be surprised to learn that …