Ash from Tonga eruption reaches record altitude but climate cooling unlikely

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The volcanic eruption that destroyed a small island in Polynesia on Saturday (Jan. 15) injected a huge amount of ash into a record altitude but won’t cause any disruption to Earth’s climate, experts said. Satellites detected the ash cloud, which has already spread over Australia, at over 24 miles (39 kilometers) above Earth’s surface, Oxford … Read more

Astronomers propose building a neutrino telescope — out of the Pacific Ocean

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Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of “Ask a Spaceman” and “Space Radio,” and author of “How to Die in Space.” Sutter contributed this article to Space.com’s Expert Voices: Op-Ed & Insights. Neutrinos are one of the most elusive particles in the cosmos, second only to … Read more

A huge asteroid flies will fly safely by Earth today. Here’s how to watch it live.

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You can watch live as a humongous asteroid flies safely past our planet today (Jan. 18). Italy’s Virtual Telescope Project, which is based in Rome, will host a livestream starting at 3 p.m. EST (2000 GMT), when asteroid 7482 (1994 PC1) is almost at its closest approach to our planet: 1 million miles or 1.6 … Read more

Hypersonic Weapons Can’t Hide from New Eyes in Space

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China’s test flight of a long-range hypersonic glide vehicle late last year was described in the media as close to a “Sputnik moment” in the race to develop new ultrafast maneuvering weapons. But even as senior U.S. military officials publicly fretted about missiles that are, for the moment at least, effectively invincible, the Pentagon was … Read more

The Flame Nebula Blazes Like a Cosmic Bonfire in This Stunning New Image

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A new image of the Flame Nebula shows the interstellar cloud as we’ve never seen it before. A team of astronomers using the Atacama Pathfinder Experiment (APEX) telescope has captured the star-forming region in radio wavelengths, revealing details that we had never seen before.   The Flame Nebula, which is close to the famous Horsehead … Read more

It’s Time to Upgrade Your Mask, Experts Say. Here’s Why

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With the rapid spread of Omicron, many countries are rethinking their COVID mask advice for the community. Respirators have been mandatory in public places in Austria for a year. Now, the United States Centers for Disease Control and Prevention suggests respirators be considered for greater protection, for instance, on public transport or in enclosed crowded … Read more

The 6th Mass Extinction Really Has Begun, Scientists Warn in Newly Published Study

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The signs of death are everywhere, if you look. For years, scientists have rung the alarm bell, warning that grave declines in animal biodiversity around the globe herald the onset of what will be Earth’s sixth mass extinction.   Despite the looming weight of evidence to suggest this grim phenomenon is unfolding all around us, … Read more

Many People Seem Disgusted by The Thought of Eating Cultured Meat

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Cultured meat grown in a lab has the potential to be much more environmentally friendly than current practices in the agriculture industry, but a new study has revealed a looming problem: a lot of people really don’t like the idea of eating it.   We’re talking here about meat produced in the laboratory from real … Read more