NASA’s Artemis II's moon flyby is getting underway

Today, the four astronauts of Artemis II are observing the far side of the moon, setting distance records and experiencing a solar eclipse.

Bypass the Strait of Hormuz with nuclear explosives? The U.S. studied that option in the 1960s

Newt Gingrich raised eyebrows with a social media post about using nuclear bombs to cut a new channel in the Strait of Hormuz. There's history there

NASA’s Artemis II astronauts break Apollo’s distance record

The four astronauts onboard NASA's moon mission just broke the record for the farthest distance from Earth traveled by any human

A DAY AGO

Exploring the Far Side of the Moon

As Artemis II flies around the far side of the moon, our graphics editor Marco Hernandez describes what the astronauts are looking for.

NASA’s Artemis II moon mission reaches greatest distance from Earth

The space exploration milestone came during a 40-minute period during which the Artemis II astronauts were unable to communicate with Earth

NASA’s Artemis II crew experience total solar eclipse from space

From the perspective of the Orion capsule, the moon will fully block the sun's disk for nearly an hour

Trump speaks with NASA's Artemis II astronauts after historic moon flyby

On Monday night, the president of the United States called the crew aboard the Orion spacecraft to congratulate them on their moon mission

NASA’s Artemis II ‘free return’ trajectory lets gravity do the driving

An elegant mix of math and gravity powers the Artemis II "free return" trajectory from Earth to the moon and back

In an echo of Apollo 8, NASA's Artemis II astronauts witness stunning ‘Earthrise’ and ‘Earthset’

Artemis II's astronauts got the opportunity to recreate the iconic 1968 photograph on either side of their journey around the moon, showing Earth as beautiful—and precious—as ever

NASA’s Artemis era may finally solve three major moon mysteries

If NASA's ambitious lunar exploration plans succeed, scientists will cover the moon with sensors—and find answers to several long-standing questions about the inner solar system

NASA’s Artemis II astronauts celebrate epic lunar flyby with stunning new images

Artemis II's sixth day was a whirlwind of science and awe, with the mission's astronauts glimpsing parts of the moon never before seen by any human—and talking to the U.S. president

See NASA Artemis II mission’s first incredible photos of the moon, Earth and a total eclipse

The first images from NASA's Artemis II mission's lunar flyby were worth the wait

The mathematically correct way to slice a pizza

The intermediate value theorem shows us how to find an even center on an irregular shape

A DAY AGO

The first earthlings to the moon weren’t humans. They were tortoises.

In a first, Artemis II moon astronauts make ‘ship to ship’ call to ISS

The exchange between the Artemis II crew and astronauts onboard the International Space Station marks the first time a moon mission has called an orbital habitat