Science

A professor of engineering breaks down what the 'Oumuamua projectile could possibly be and the secrets it could hold–but we still have no definite answers.

• By Ray Norris

Without broad participation, science will lose its economic power and legitimacy.

• By Michael White

Scientists suspect the farm use of penicillin was to blame.

• By Francie Diep

Opponents dismiss fetal tissue research as unnecessary, but it plays a critical role in regenerative medicine.

• By Michael White

Universities need corporations for research funding, and the political will for an alternative solution is limited.

• By Rick Paulas

Evolutionary biology meets Adam and Eve in the archives.

• By Ginger Strand

The letter expressed concerns over the president's use of dubious scientific sources and called on him to appoint a director to the Office of Science and Technology Policy.

• By Katie Kilkenny

This year's most exciting young thinkers and advocates in policy and social justice.

• By Avital Andrews & Rosie Spinks

Scientists looking to regain public trust need to speak clearly—and also to listen.

• By Bob Berwyn