News

Animals

Most bats don’t echolocate in broad daylight. Here’s an exception

Egyptian fruit bats in Tel Aviv regularly navigate by sound during midday hours to avoid obstacles and forage, despite their excellent vision.

Astronomy

A newly discovered planet renews debate about how some giant worlds form

An implosion of gas may have given birth to this young exoplanet, which orbits too far from its star to have been built up bit by bit, researchers say.

Archaeology

This hieroglyph is the oldest known record of the Maya calendar

Plaster fragments with the markings date to at least 200 B.C. and indicate that the calendar system, still used today, might be centuries older.