
Why NASA is sending a spacecraft to a metal asteroid
The Psyche mission, launched in October 2023, is headed for a 220-kilometer world that appears to be rich in iron and nickel — possibly the exposed core of a shattered protoplanet.
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Announcements as they arrive: trial readouts, regulatory approvals, mission milestones, retractions and funding decisions, each attributed to a source.

The Psyche mission, launched in October 2023, is headed for a 220-kilometer world that appears to be rich in iron and nickel — possibly the exposed core of a shattered protoplanet.

The 2022 T2T consortium sequence filled the last eight percent of the human genome — centromeres, satellite arrays, and other tracts the 2003 draft could not read.

Ariel will watch a thousand alien worlds cross their stars and read the light that filters through their atmospheres — a method called transit spectroscopy, and the first time it has been attempted at survey scale.