The world’s first legally binding agreement to protect marine life in international waters takes effect Saturday.

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

Mars, long admired for its rusty hue and alien deserts, may play a far greater role in shaping life on Earth than once ...

Europa is one of Jupiter’s 95 moons, and, perhaps, among the planet’s most famous orbiters. It’s covered in a shell of ice ...

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something ...

If aliens from space can die and mourn their dead then they likely invented gods to worship. Because they missed their loved ...

Earth is home to creatures so strange, beautiful, and bizarre that it’s easy to forget we share the planet with them. These ...

Avatar writer and director James Cameron has discussed the possibility of moving forward with Avatar 4 and 5 following the ...

Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...

NASA’s Pandora mission will study exoplanet atmospheres by separating star light from planet signals, helping scientists learn which distant worlds may have air, water, and signs of life ...

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.