5 trends tracked about this subject — the full history, oldest to newest below.
New research suggests a prehistoric 'golden age' of linguistic diversity where thousands more languages existed before the rise of expanding empires.
Astronomers have identified the faintest exoplanet ever imaged from Earth after a decade of observational tracking.
A centuries-old artwork is drawing fresh scrutiny after experts connect its hidden details to a newly documented wildlife behavior.
Scientists have uncovered a massive underground fungal network stretching 110 quadrillion kilometers, prompting comparisons to science fiction.
Scientists spot a worldwide tendency for humans to turn left while walking, sparking fresh inquiry into our innate gait.