For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

The world's largest living structure is vast, spellbinding—and more at risk than ever. Here's why visiting Australia's Great Barrier Reef is actually a good thing.

After Kirk was killed, TPUSA’s leadership decided to keep alive the group’s ongoing campus tour, which was to pass through ...

When you think of birds, you might imagine wings flapping silently against a blue sky. The kākāpō, however, lacks these ...

After Bondi, public anxiety, political pressure and rising criticism of Israel have collided. As definitions of antisemitism ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

Timothée Chalamet may be riding high on his Golden Globes win for Marty Supreme, but it might be Kylie Jenner who took home ...