Scientists have found a new interstellar object whizzing toward the sun.

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

The vanilla species grown for its flavoring is finicky. Genes from its wild relatives could help make it hardier — but not if those cousins go extinct.

A key advisory group vows to base decisions on evidence, boost confidence in vaccines and protect health. Experts fear the opposite is happening.

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.