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NASA’s Mars rover Curiosity acquired this image of the “Altadena” drill hole using its Mast Camera (Mastcam) on June 8, 2025 — Sol 4564, or Martian day 4,564 of the

This colorful web of wispy gas filaments is the Vela Supernova Remnant, an expanding nebula of cosmic debris left over from a massive star that exploded about 11,000 years ago.

Exploration Crew Medical Officer – Grok via Astrobiology.com Introduction: Predictive analytics may be a useful adjunct to identify training needs for exploration class medical officers onboard deep space vehicles. Methods:

Transit zones for all solar system planets are plotted in heliocentric ecliptic coordinates (left) and in celestial coordinates (right). Each planet’s transit zone is shown as a colored sinusoidal band.

SETI@home is a radio Search for Extraterrestrial Intelligence (SETI) project that looks for technosignatures in data recorded at the Arecibo Observatory. The data were collected over a period of 14