The idea that life might exist beyond Earth remains one of science’s most enduring questions. That fascination has been reignited by a fast-moving interstellar visitor whose behaviour is puzzling some ...

The interstellar comet 3I/ATLAS has just done something no visitor from another star system has ever been caught doing: it ...

SETI scientists observing a pulsar’s radio pulses over time are redefining how astronomers time pulsars and search for ...

A recently discovered observatory may be the oldest in the Americas, challenging everything we knew about ancient astronomy.