生物特征

New analyses of Hayabusa2 material show asteroid samples contain genetic building blocks — all five canonical nucleobases — but key gaps remain before we can say space made life. 三月 28, 2026

Two fresh lines of analysis — a reexamination of Curiosity data and new chemistry from Perseverance — are sharpening the case that Mars once hosted habitable, possibly life-frie... 三月 02, 2026

An international team has identified a molecular “invisibility” switch used by aggressive cancers to silence innate immune alarms; blocking that RNA-binding activity in MYC unma... 二月 23, 2026

This week scientists revisit Viking data from 1976 and argue that positive signals in early life-detection experiments may have been wiped out by the very tests designed to find... 二月 17, 2026

NASA has finished assembling the Nancy Grace Roman Space Telescope at Goddard, advancing hardware and techniques that could reshape the hunt for habitable worlds and biosignatur... 十二月 17, 2025

Researchers have combined high-resolution chemical analysis with machine learning to detect faint, billion‑year‑old biosignatures — a technique that may be adapted for rovers an... 十一月 19, 2025

Observations with JWST’s MIRI instrument reveal multiple complex organic molecules embedded in ice around a protostar in the Large Magellanic Cloud, marking the first solid-stat... 十一月 15, 2025