HercuList Secrets

May's possible meteor outburst offers chance to listen to 'shooting stars' on the radio

Under certain conditions, meteors can reflect radio waves in the same way the ionosphere propagates transmissions between widely separated ham-radio operators. The ionosphere usually reflects frequencies below 30 megahertz (MHz), but it's transparent to ...

Mars dust storm mysteries remain as scientists study the Red Planet

As Mars approaches its southern summer solstice, scientists and spacecraft are preparing for a new season of dust storms, mighty wind-driven clouds of dust that can cover thousands of square miles or even the entire planet.

Soar over Mars rover tracks with Ingenuity helicopter (video)

NASA's Mars helicopter Ingenuity cruised above some tracks made by its robotic partner on its most recent flight, as footage captured by the rotorcraft shows. The 4-pound (1.8 kilograms) Ingenuity conducted its 28th Red Planet flight on April 29, ...

NASA chief Bill Nelson urges action after 'heavy weight' of recent mass shootings

Referring to recent similar mass deaths by gun violence, Nelson said Americans have been murdered "while shopping at a Buffalo supermarket, while attending a Taiwanese Presbyterian church in Laguna Woods [California], and yesterday at an elementary school ...

NASA's Perseverance Mars rover hears an alien soundscape that changes with the seasons

Cue Simon & Garfunkel — Mars is all about the sound of silence. NASA's Perseverance rover has been recording the ambient sounds on Mars for the past year, and scientists have trimmed those recordings to a five-hour "Martian playlist.

Ancient volcanoes may have created a rare resource for lunar explorers

Ancient volcanic eruptions on the moon could provide an unexpected resource for future lunar explorers: water. Between 2 billion and 4 billion years ago, the moon was a volcanic hotspot. Tens of thousands of volcanoes ...

Human genome of Pompeii victim sequenced for the first time

More than 2,000 people died as a direct consequence. The city was buried under a 23-foot-deep layer of ash and debris after the volcanic explosion, which preserved the ruins from the damaging effects of weather and climate.

NASA James Webb Target Acquired: A Super-Earth Covered in Lava Oceans

CNET

CNET

Oh, and a scorching exoplanet that probably doesn't have any air. Monisha Ravisetti headshot. Monisha Ravisetti.

Tau Herculids: On May 31, A Passing Comet Could Put On the Most Dramatic Meteor Shower of Recent Times!

The Weather Channel

The Weather Channel

A comet is an object made mostly of ice and dust, often with a gas halo and tail, that usually orbits the Sun. When comets orbit too close to the Earth, our gravity tends to pull fragments of it into the atmosphere. These fragments — or meteors — burn ...

How plate tectonics, mountains and deep-sea sediments have maintained Earth's 'Goldilocks' climate

Phys.Org

Phys.Org

The Earth evolved from a hothouse climate in the Cretaceous Period (left) to an icehouse climate in the following Cenozoic Era (right), leading to inland ice sheets. Credit: F. Guillén and M. Antón / Wikimedia commons. For hundreds of millions of years ...