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
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167
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
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49
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
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23
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
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28
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
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18
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
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17
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
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14
After a successful trip around the moon, everything has been going smoothly on the Orion spacecraft's journey back to Earth—except for the $23 million toilet, which has gotten clogged.
Space Exploration
Apr 9, 2026
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40
After successfully completing their mission to the moon, the Artemis II crew are about to return to Earth.
Space Exploration
Apr 9, 2026
4
693
Reading the "Mars Trilogy" by Kim Stanley Robinson brings the benefits and pitfalls of efforts to terraform the red planet into sharp relief. Since the 1970s, when Carl Sagan first suggested the possibility that we could ...
Space Exploration
Apr 9, 2026
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