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Artemis crew urges unity on 'lifeboat' Earth

Astronomy & Space news

Artemis crew urges unity on 'lifeboat' Earth

Artemis II astronauts expressed awe on Saturday over their record-setting lunar flyby mission, urging unity on Earth after witnessing the planet's isolation like a "lifeboat" in space.

Space Exploration

1 hour ago

Astronomers find evidence for three subpopulations of merging black holes

Astronomers analyzing gravitational-wave data from the LIGO-Virgo-KAGRA Collaboration have reported that merging binary black holes fall into three distinct categories. The study shows that the three subpopulations have their ...

Astronomy

report

17 hours ago

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Artemis II lunar mission draws flood of conspiracy theories

From false claims that a historic lunar fly-by was staged in a movie studio to unfounded narratives that footage of the crew was AI-generated, the Artemis II mission has been clouded by a blizzard of misinformation.

Space Exploration

23 hours ago

After Artemis II, NASA looks to SpaceX, Blue Origin for moon landings

With Artemis II successfully completing its historic lunar mission on Friday, NASA is banking on billionaires Jeff Bezos and Elon Musk for the next step: landing astronauts on the moon.

Space Exploration

Apr 11, 2026

Artemis II's record-breaking journey around the moon ends with dramatic splashdown

Artemis II's astronauts closed out humanity's first lunar voyage in more than half a century with a Pacific splashdown on Friday, blazing new records near the moon with grace and joy.

Space Exploration

Apr 11, 2026

Top takeaways from the Artemis II mission

NASA's Artemis II mission sent four astronauts—three Americans and one Canadian—on the first lunar flyby in more than 50 years.

Space Exploration

Apr 11, 2026

'Howl at the moon': NASA's bid to boost space enthusiasm

When NASA flight director Zebulon Scoville was working a shift during the uncrewed Artemis I test flight, he realized the US space agency wasn't consistently livestreaming the spacecraft's journey to Earth.

Space Exploration

Apr 11, 2026

Peculiar core-collapse supernova breaks the mold with a long, dim plateau

Astronomers from the Chinese Academy of Sciences (CAS) have employed the Lijiang 2.4-m telescope to perform optical photometric and spectroscopic observations of a core-collapse Type IIP supernova designated SN 2024abfl. ...

Astronomy

report

Apr 10, 2026

Parachutes: A vital part of Artemis II's trip home

As the Orion spacecraft hurtles home, friction caused by reentry into Earth's atmosphere will drastically decrease its speed from a potential 25,000 miles per hour (40,000 kilometers per hour).

Space Exploration

Apr 10, 2026

126

Subaru Telescope sheds light on Jupiter Trojan asteroids' color mystery

Observations conducted with the Subaru Telescope and its first-generation wide-field camera, Suprime-Cam, have revealed new insights into the relationship between the color and size of Jupiter Trojan asteroids.

Astronomy

Apr 10, 2026

Chang'e mission samples reveal how exogenous organic matter evolves on the moon

Elements essential to life, such as carbon, nitrogen, oxygen, phosphorus, and sulfur, were "delivered" to Earth and the moon during the early stages of the solar system via asteroids and comets impacting their surfaces. These ...

Astrobiology

Apr 10, 2026

After reaching speeds of 10,657 meters per second, Artemis II hurtles home for make-or-break splashdown

The Artemis II astronauts conducted a historic lunar flyby, gathered invaluable data and took in unprecedented moon views, but one of the most crucial moments of their 10-day mission is still to come: Friday's splashdown.

Space Exploration

Apr 10, 2026

Major new telescope on Chilean summit opens window on universe

Thirty-four years after Cornell University scientists first conceived it, the Fred Young Submillimeter Telescope (FYST) now rises above the Atacama Desert, near the summit of Cerro Chajnantor in Chile. FYST will help answer ...

Astronomy

Apr 10, 2026

Artemis II's grand moon finale is almost here with a Pacific splashdown to cap NASA's lunar comeback

Their dramatic grand finale fast approaching, Artemis II's astronauts aimed for a splashdown in the Pacific on Friday to close out humanity's first voyage to the moon in more than half a century.

Space Exploration

Apr 10, 2026

ESA's Celeste broadcasts first navigation signal from low Earth orbit

The European Space Agency has achieved a European first with Celeste, successfully transmitting a navigation signal from low Earth orbit, following the launch of the mission's first satellites on March 28.

Astronomy

Apr 10, 2026

The Deep Space Network acquires Artemis II signal

The acquisition of the radio frequency signal from the Artemis II crewed mission to the moon by NASA's Deep Space Network (DSN) is indicated by the peak in the data signal shown on the top computer screen.

Space Exploration

Apr 10, 2026

Artemis II: As humans return to the Moon, which of these 4 futures will we choose?

The four Artemis II astronauts who looped around the moon this week are expected to splash down soon. NASA's grand mission spells a return to human deep-space travel, with renewed interest in building a long-term moon base.

Space Exploration

Apr 10, 2026

Artemis astronauts to shed light on space health risks

While the Artemis II astronauts have been protected from the icy vacuum of space on their journey, their bodies have nonetheless been left exposed to possibly high levels of radiation—a danger of space travel that NASA is ...

Space Exploration

Apr 10, 2026

What if dark matter came in two states?

The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark matter, showing that it ...

Astronomy

Apr 9, 2026

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