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NASA exec in charge of Artemis moon mission quits after just 6 weeks, ‘escorted out of HQ’

NASA exec in charge of Artemis moon mission quits after just 6 weeks, ‘escorted out of HQ’

Mark Sirangelo, who joined NASA less than two months ago as special assistant to agency chief Jim Bridenstine on the Artemis project, has left his post after his proposal for a “sustainable lunar campaign” was nixed by Congress. Sirangelo “was escorted out of NASA’s headquarters in Washington” after he resigned, according to two sources who spoke to

Midwest Tornadoes: Why It’s So Hard to Predict Where a Twister Will Strike

Midwest Tornadoes: Why It’s So Hard to Predict Where a Twister Will Strike

Editor’s note: This is a developing story about severe weather in the Midwest. We will update it as more information becomes available. This week brings atmospheric devastation to the Midwest: nearly 200 tornadoes have torn through the region since last Friday, including Jefferson City, the capital of Missouri, on Wednesday night. All told, the disasters

The Tricky Physics of How the Avengers Manage to Fly

The Tricky Physics of How the Avengers Manage to Fly

I think it's safe to talk about some Avengers physics now. I was inspired by an epic picture released by Marvel Studios, which you can see in the tweet below. (If Marvel puts it "out there," I don't personally consider it to be a spoiler.) The cool part is that you can see all these flying Avengers. There are a bunch of them. https://twitter.com/Avengers/status/1129823980716605440

Jellyfish carrying paralysis toxins found along Jersey Shore

Jellyfish carrying paralysis toxins found along Jersey Shore

(iStock) Memorial Day revelers who flock to the Jersey Shore are being advised to be wary of a real sting operation. Hundreds of unwelcome visitors – toxic jellyfish noted for their tiny size and excruciating sting – have been spotted in recent days by researchers in Barnegat Bay, according to reports. The latest count of almost 300 of the spineless

How to Solve a Rubik's Cube in 5 Seconds—or Less

How to Solve a Rubik's Cube in 5 Seconds—or Less

Even on my laptop’s tinny speakers, the sound is unmis­takable: the click-clacking, slip-sliding sound of a Rubik’s Cube whipping into shape. “It’s my first solve of the day,” says Australian speedcuber Feliks Zemdegs, somewhat sheepishly. It’s early in Sydney, where he’s speaking to me over video chat from his apartment. Over his shoulder, I can see

A big red reason not to dig a mine in Alaska's fat bear country

A big red reason not to dig a mine in Alaska's fat bear country

Like the sun promises to rise each morning, hordes of crimson salmon — numbering in the tens of millions — faithfully return to Alaska's Bristol Bay each summer. This land of untrammeled rivers, streams, and lakes is home to the richest run of sockeye salmon on Earth. And largely for that reason, it's also the realm of Alaska's gloriously fat bears

Scientists create sound so loud it instantly boils water and bursts your heart and lungs

Scientists create sound so loud it instantly boils water and bursts your heart and lungs

SCIENTISTS have created the loudest possible underwater sound – and it’s so noisy it could burst your organs. Created by firing powerful lasers into water jets, the ear-splitting racket was twice as loud as a Motörhead concert. It was so powerful that it can boil water, and if played through earphones would rupture your eardrums, heart and lungs. The

Hereditary rule wreaked havoc in 'Game of Thrones' — and in medieval Europe

Hereditary rule wreaked havoc in 'Game of Thrones' — and in medieval Europe

This photo released by HBO shows Kit Harington as Jon Snow, left, and Emilia Clarke as Daenerys Targaryen in a scene from "Game of Thrones." (HBO via AP) (Spoiler Alert! This article contains information about the last episode of "Game of Thrones.") After eight seasons, the epic "Game of Thrones" TV series finally resolved the question of who will

Scientists spy on superbugs to see how they outsmart our antibiotics

Scientists spy on superbugs to see how they outsmart our antibiotics

Scientists have discovered yet another way that single-celled organisms have outsmarted us. The tiny bacteria that live inside our guts have an ingenious way of withstanding the onslaught of antibiotics we throw at them, according to a report published Thursday in the journal Science . The two-part system allows bacterial cells to stay alive until

Georgia family finds massive alligator ‘sunning himself’ in front yard

Georgia family finds massive alligator ‘sunning himself’ in front yard

close Video Alligator surprises homeowner, bangs on glass An Alligator surprised a homeowner by banging on her window and attempting to enter the home during mating season. A family in Bainbridge, Ga ., had the “surprise of a lifetime” when they found a massive alligator soaking in some sun in their front yard. The Bainbridge Public Safety Department