Science

Science • Apr 10

Heading home: The riskiest part of the Artemis II moon mission is still ahead

Reentry is one of the most dangerous aspects of any spaceflight. And Artemis II is going into this part of the journey with a known issue that mission...

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Science • Apr 09

The riskiest moments of NASA's Artemis II mission may still be ahead

The astronauts on NASA's Artemis II moon mission are scheduled to land on Earth on Friday. But their re-entry is one of the riskiest parts of the mission,...

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Science • Apr 09

Artemis II crew to return home as Nasa lays out steps for safe splashdown

Astronauts prepare for re-entry several miles off coast of southern California after 10-day lunar fly-by mission.

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Science • Apr 09

‘First contact’ that may have led to complex life on Earth finally witnessed by scientists

On the shores of the west coast of Australia lies a window to our past: the stromatolites and microbial mats of Gathaagudu (Shark Bay).

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Science • Apr 09

A tiny experiment using Artemis II astronaut cells could reshape medicine

Chips seeded with the astronauts' bone marrow cells circled the moon to help probe how deep-space flight affects human biology.

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Science • Apr 09

Artemis II Astronaut Christina Koch Jokes About Her Braids Being the 'First' to 'Leave Earth's Orbit'

Christina Koch joked about having the 'first braids' to leave Earth's orbit in an Instagram post shared on April 6. The NASA astronaut is part of the first...

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Science • Apr 09

When will NASA land on the moon? Tracking the Artemis program's journey back to the lunar surface

When will NASA land on the moon? Here's what prediction markets have to say.

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Science • Apr 09

Long before the Artemis II mission, Christina Koch was a Chesapeake Bay sailor

Decades before Christina Koch took off for the moon on the historic Artemis II space mission, she was an electrical engineer, sailor and resident of...

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Science • Apr 09

WATCH LIVE: Artemis II crew splashes down on Earth after historic trip around the moon

HOUSTON (AP) — Drawing ever closer to Earth, the Artemis II astronauts tidied up their lunar cruiser for its upcoming "fireball" return and reflected on...

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Science • Apr 09

Artemis II astronaut Christina Koch is a big Philly sports fan — and even watches games from space

In space, no one can hear you scream “Go Birds!” — unless you're on a mission with Koch, who loves showing off her Philly fandom.

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Science • Apr 09

Yellowstone’s Dreaded Supervolcano Has an Unexpected Power Source, Study Says

A new model suggests Yellowstone's underground magma is driven by tectonic forces that shape Earth's crust.

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Science • Apr 09

Mammal ancestors laid eggs—and this 250-million-year-old fossil proves it

A remarkable new discovery is shedding light on one of the greatest survival stories in Earth's history, and answering a decades-old scientific mystery.

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Science • Apr 09

Fireball Tears Across Philadelphia Sky at 30,000 MPH Before Combusting

NASA confirms that the fireball that was spotted over the Philadelphia region in early April was a meteor that later disintegrated over the tri-state area.

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Science • Apr 09

We can't all be astronauts, but the Artemis II crew has fitness lessons for everyone

The Artemis II astronauts don't have a lot of space to exercise. That's why they've got the flywheel — a small device that can be used for strength and...

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Science • Apr 09

For Artemis II, Returning to Earth May Be the Most Dangerous Part of the Mission

After a successful flight around the moon, the astronauts are relying on a flawed heat shield to protect them as they re-enter Earth's atmosphere.

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Science • Apr 09

A house-size asteroid is heading toward Earth tonight: Here's what you need to know

A house-sized asteroid will pass a little over half the Earth-moon distance from our planet on April 9, posing no risk to our planet, its natural satellite,...

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Science • Apr 09

'Little red dots' spotted by the James Webb telescope may just be awkward black holes going through a phase

A study of the fascinating galaxy system nicknamed "The Stingray" suggests that mysterious little red dots could be a phase in the evolution of galaxies...

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Science • Apr 09

UFO mystery: List of deceased, missing scientists grows

The 2023 death of Michael David Hicks went largely unnoticed, but nearly three years later, there's renewed interest in what happened to the NASA scientist.

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Science • Apr 09

With a switch of a letter in DNA ‘dark matter,’ Israeli scientists change sex of mouse

In a world first, scientists at Bar-Ilan University say they have discovered that a single-letter switch in a region of the genome once dismissed as “junk...

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Science • Apr 09

1 week until the Lyrid meteor shower lights up April skies — Here's what you need to know

Get ready stargazers, we're just one week away from the start of the Lyrid meteor shower! Here's what you need to know before Earth passes into the trail of...

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