This week in science: Mysterious molecules on Mars are tricky to explain without life; a compound that cuts cholesterol as a ...

Last year, NASA’s Curiosity rover made a fascinating discovery after boring into a suspected ancient lake bed on Mars: ...

Deep inside a nearby galaxy cloaked in thick clouds of gas and dust, astronomers have uncovered a surprising treasure trove ...

A natural compound found in Aloe vera shows potential to block two key Alzheimer’s enzymes, offering a promising lead for future treatment.

NASA’s Curiosity rover has found the largest organic molecules ever detected on Mars. The discovery was made in ...

NASA's Curiosity rover has detected long-chain organic molecules, alkanes, in an ancient Martian lake bed. Scientists argue these findings are difficult to explain through non-biological processes ...

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which ...

Artificial intelligence (AI) is transforming how scientists understand proteins—these are working molecules that drive nearly every process in the human body, from cell growth and immune defense to ...

Scientists discover how yellow fever and encephalitis viruses enter human cells, and block them with decoy molecules.

Researchers have analyzed the stepwise hydration of prolinol, a molecule widely used as a catalyst and as a building block in ...

Attaching amino acids to a hydrophobic organic molecule allows them to self-assemble into rare, knotted structures with ...

Life may have begun when RNA molecules began to replicate themselves, and now we’ve finally found an RNA molecule that is very close to being able to do this ...