Science

A Rare Green Comet Can Be Seen in The Sky, And It May Be Our Last Chance : ScienceAlert

A rare green comet is passing Earth, and this could be humanity’s last chance to see it. Stunning photos are already revealing what you might see if you look to the pre-dawn skies and spot the ball of frozen gas and dust shooting past. Formally, the comet is called C/2022 E3 (ZTF), named for the …

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Physicists Break Record Firing a Laser Down Their University Corridor : ScienceAlert

Physicists have just set a new record confining a self-focused laser pulse to a cage of air, down the length of a 45 meter-long (148 foot-long) university corridor. With previous results falling well short of a meter, this newest experiment led by physicist Howard Milchberg of the University of Maryland (UMD) breaks new ground for …

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Trilobites armed with tridents could be the earliest known example of sexual combat

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  From a deer’s elaborate branching antlers to the fiddler crab’s oversize claw, the animal kingdom is full of flashy features used in combat to help secure a mate. A team of researchers announced …

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Dan Levitt’s ‘What’s Gotten Into You’ traces atoms’ long trip from the big bang to the human body

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  In its violent early years, Earth was a molten hellscape that ejected the moon after a fiery collision with another protoplanet, scientists now suspect. Later, it morphed from a watery expanse to a …

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We can still see these 5 traces of ancestor species in all human bodies today

Many of us are returning to work or school after spending time with relatives over the summer period. Sometimes we can be left wondering how on earth we are related to some of these people with whom we seemingly have nothing in common (especially with a particularly annoying relative). However, in evolutionary terms, we all …

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New NASA Nuclear Rocket Plan Aims to Get to Mars in Just 45 Days : ScienceAlert

We live in an era of renewed space exploration, where multiple agencies are planning to send astronauts to the Moon in the coming years. This will be followed in the next decade with crewed missions to Mars by NASA and China, who may be joined by other nations before long. These and other missions that …

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When scientists tagged a curious seal, he led them to signs of a potential climate disaster

Environment The seal dove into a deep trough in the ocean bed, roughly half a mile below the surface. And that is when something striking happened. A satellite image of the Denman region in Antarctica. Landsat Image Mosaic of Antarctica This is a story about a curious seal, a wayward robot, and a gigantic climate …

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