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'We're really on a different trajectory': How NASA's Artemis moon missions aim to prepare us for Mars
By Elizabeth Howell published
NASA is working on finding landing sites for future moon astronauts. Part of the work includes thinking about how to prepare for eventual Mars missions with astronauts.

A close shave on the ISS | Space photo of the day for Sept. 16, 2025
By Kenna Hughes-Castleberry published
Even though they're far from home, astronauts on the International Space Station still have normal routines, including getting regular haircuts.

Russian Progress spacecraft arrives at the ISS with 2.8 tons of cargo
By Mike Wall published
Russia's Progress 93 freighter arrived at the International Space Station today (Sept. 13), two days after launching atop a Soyuz rocket.

Astronaut preps purple kefir for a vitamin boost | On the International Space Station Sept. 8-12, 2025
By Robert Z. Pearlman published
As their research activities continued, the Expedition 73 crew had a busy week on the International Space Station with the departure of a cargo vehicle and preparations for the arrival of two more.

NASA will reveal new Perseverance Mars rover discovery today: Here's how to watch live
By Monisha Ravisetti last updated
NASA's hosting a conference on Wednesday (Sept. 10) to discuss a new rock analysis from the Perseverance Mars rover. Here's how to tune in.

Ready for the next 'Oumuamua? Launching flyby missions to visiting interstellar comets is 'feasible and affordable,' study says
By Elizabeth Howell published
Conducting a flyby mission to an interstellar object visiting our solar system is "feasible and affordable," a new study finds. But orbiting such an interloper is a different story.

Astronauts get a welcome boost from a SpaceX Dragon | On the International Space Station Sept. 1-5, 2025
By Robert Z. Pearlman published
The seven members of the Expedition 73 crew worked on science and kept systems running on International Space Station this week in Earth orbit.

SpaceX Dragon cargo capsule boosts ISS higher above Earth in key test
By Elizabeth Howell published
SpaceX’s Dragon capsule demonstrated its ability to boost the ISS on Sept. 3, pushing the orbiting lab slightly higher above Earth.
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