If you’re a fan of all things space, you’ve doubtless heard about the “devil comet,” which has captivated keen-eyed observers in the northern hemisphere for the past few weeks. Now it’s our turn, as comet 12P/Pons-Brooks is creeping into view for the southern hemisphere. Before you get too excited, let me quash your hopes. Comet ...
We breathe oxygen and nitrogen gas in our atmosphere every day, but did you know that these gases also float through space, around and between galaxies? Our team captured a high-resolution view of how these elements make it so far out into the universe. Our study is now published in Monthly Notices of the Royal ...
Outside the world of open-source software, it’s likely few people would have heard about XZ Utils, a small but widely used tool for data compression in Linux systems. Now, security experts have uncovered a serious and deliberate flaw in the code that could leave networked Linux computers susceptible to malicious attacks. The flaw has since ...
For millions of years, giant animals or megafauna, like giant kangaroos in Australia, roamed the lands that are now Australia and New Guinea. Many were like much larger versions of modern animals. There was a four-meter goanna called Megalania (Varanus priscus), for example, which likely ambushed its prey. This beast disappeared around 40,000 years ago, ...
Earlier this year, Neuralink implanted a chip inside the brain of 29-year-old U.S. man Noland Arbaugh, who is paralyzed from the shoulders down. The chip has enabled Arbaugh to move a mouse pointer on a screen just by imagining it moving in his mind. In May 2023, U.S. researchers also announced a noninvasive way to ...
From asking smart speakers for the weather to receiving personalized advice from smartwatches, devices powered by artificial intelligence (AI) are increasingly streamlining our routines and decision making. The technology is seeping into our lives in subtle ways. Manufacturers gather vast amounts of user data to ensure these smart devices are responsive and personalized. But this ...
After witnessing tragic events, many people turn to online communities such as Reddit to discuss and process their experiences. A common bit of advice users give each other is to play Tetris to help combat traumatic memories. Where does this idea come from, and can this iconic computer game help treat conditions like post-traumatic stress ...
We used three-dimensional imaging of ocean waves to capture freakish seas that produce a notorious phenomenon known as rogue waves. Our results are now published in Physical Review Letters. Rogue waves are giant colossi of the sea — twice as high as neighboring waves — that appear seemingly out of nowhere. Stories of unimaginable mountains ...
Last week, the federal minister for Resources and Northern Australia, Madeleine King, signed an A$207 [US$134.2] million commitment with the United States to support the “Landsat Next” satellite program. Aptly named, this is the next generation of an Earth observation satellite program from which Australia has benefited for over 40 years. The commitment means we ...
How Earth and the other planets of the solar system formed and evolved over the eons is a hot question for planetary scientists like me. One of the best ways to find out is by looking at rocks in space or meteorites on Earth. Getting the rocks is the hard part. Sending spacecraft to asteroids ...
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