earth

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

You’ve Got a Rare Chance to See a Huge Asteroid Fly by Earth This Week. Here’s How

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In a slow-moving universe, asteroids give us a rare chance to see things moving in real time. We have such a chance coming right up on the evening of Tuesday, January 18th, when 1.1-kilometer asteroid (7482) 1994 PC1 passes 1.23 million miles (1.98 million kilometers) from Earth.   This is about five times the distance … Read more

Goliath review: Tourism to a ruined Earth explores the idea of home

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By Sally Adee Even a post-apocalyptic Earth retains a certain charm for humankind gremlin/Getty Images Goliath Tochi Onyebuchi Tordotcom SCI-FI dystopias of a ruined Earth are thick on the ground these days, filled with the wreckage of climate change: drowned continents, great extinctions and air that is no longer safe to breathe. In the more … Read more

Earth’s Insides Are Cooling Faster Than We Thought, And It Will Mess Things Up

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Earth formed 4.5 billion years or so ago. Ever since then, it’s been slowly cooling on the inside. While the surface and atmosphere temperatures fluctuate over the eons (and yes, those external temperatures are currently warming), the molten interior – the beating heart of our planet – has been cooling this entire time.   That’s … Read more

We Finally Know The True Extent of Space Destroying Astronauts’ Red Blood Cells

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The human body did not evolve to handle life in space, and it shows in our very blood. Since our species first started to spend extended periods of time beyond our planet, researchers have noticed a curious and consistent loss of red blood cells among astronauts.   The phenomenon is called ‘space anemia’, and until … Read more

Perseverance Has Run Into a Problem on Mars: Pebbles

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A small pile of pebbles is clogging up the Perseverance Mars rover’s operations.   The rover, which is collecting rock samples for eventual return to Earth, began to struggle on Dec. 29, after extracting a core from a rock the mission team nicknamed “Issole.”   According to a NASA blog, the problem occurred in the device that transfers … Read more

Latest Study Finds No Trace of Aliens in 4-Billion-Year-Old Martian Meteorite

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To date, we’ve found over a hundred precious Mars rocks that have travelled from the red planet and landed on Earth at some point. Among those, specimen ALH84001 might well be one of the most enigmatic.   This meteorite fragment was picked up during a snowmobile ride in the ice field of Alan Hills in Antarctica … Read more

Super-Earths: Long-lasting radiation shields may make for life-friendly worlds

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Life on Earth is made possible by our planet’s magnetosphere – an invisible radiation shield that protects the surface – now it turns out that super-Earths could have magnetospheres too Space 13 January 2022 By Alex Wilkins The laser system at the National Ignition Facility in California used to study iron’s properties Damien Jemison The … Read more

There’s a Hidden Mathematical ‘Law’ in The Sand Megaripples Found All Over Earth

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Wherever there is sand and an atmosphere, prevailing winds may whip the grains into undulating shapes, pleasing to the eye with their calming repetition. Certain sand waves, with wavelengths between 30 centimeters (almost 12 inches) and several meters (around 30 feet), are known as megaripples: they’re between ordinary beach ripples and full dunes in size, … Read more