When a baby smiles at you, it’s almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth that allows us to understand each other’s emotions and mental states.
Faces are so…

When a baby smiles at you, it’s almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth that allows us to understand each other’s emotions and mental states.
Faces are so…

The volcanic moon Io transits Jupiter’s disk late this evening, now leading its shadow by mere moments.
Io transits just two days after Jupiter…
BEIJING, Jan. 12…

Insider Brief

Analysis: From a return to the moon to telescope launches, there’s plenty of exciting events to expect from space this year
It’s 2026 and we’re fully into the era of New Space where space agencies like NASA no longer…

Dr. Universe: How do scientists know the mass and size of planets? – Lucy, 10, Illinois
Dear Lucy,
When I go to the doctor, they measure how big I am. They use a scale to check my weight. They find my height with a measuring…

Vernet, C. & Artzt, K. STAR, a gene family involved in signal transduction and activation of RNA. Trends Genet. 13, 479–484 (1997).
Kondo, T. et al. Genomic organization and expression…

A shared solid-fuel booster upgrade that will be used for the first time aboard an Ariane 6 rocket later this year will not be introduced aboard Vega C until 2028. The European…