Category Archives: CNN – World

Giant radio pulses and X-ray surges are coming from the Crab Nebula

Giant radio pulses and X-ray surges are coming from the Crab Nebula

The hauntingly beautiful Crab Nebula, located 6,500 light-years away in the Taurus constellation, is releasing an incredible amount of energy. The nebula is six light-years wide, and it’s a growing cloud of debris formed from a supernova explosion. (A light-year is six trillion miles). The light from this supernova first reached Earth in July 1054…MORE

Researchers now have an estimate for just how many T. rex once roamed Earth

Researchers now have an estimate for just how many T. rex once roamed Earth

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation. Paleontologists from the University of California, Berkeley, set out to put a number on how many T. rex lived during the Cretaceous period — about…MORE

The US could have 300M extra vaccines. Why won’t it share?

The US could have 300M extra vaccines. Why won’t it share?

The United States could have around 300 million excess Covid-19 shots by the end of July, health policy experts at Duke University estimated in a report Thursday, calling on the country to share doses more widely to address the stark inequality around global vaccine distribution. The US has provided limited shipments of AstraZeneca’s vaccine —…MORE

Why Mars? The fascination with exploring the red planet

Why Mars? The fascination with exploring the red planet

The mystique of Mars is one that humans can’t seem to resist. The red planet has easily captured our interest for centuries, heavily featured in science fiction books and films and the subject of robotic exploration since the 1960s. In February, three spacecraft arrived at Mars after departing from different launch points on Earth in…MORE

Eat like an astronaut (or a TikTok star) with these tortilla hacks

Eat like an astronaut (or a TikTok star) with these tortilla hacks

For astronauts aboard the International Space Station, sourdough is off-limits and whole wheat is out of bounds. It’s not because anyone is on a gluten-free diet, however. Tortillas are preferred over bread in a weightless environment because they don’t crumble and leave crumbs floating around, according to NASA. Since the astronauts don’t have the luxury…MORE

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