Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

Their existence contradicts the common assertion the Earth’s mantle is well-mixed, suggesting our models are wrong.

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there. The probe sent a signal to Earth indicating that ...

The Andromeda galaxy is our closest galactic neighbour, barring dwarf galaxies that are gravitationally bound to the Milky ...

When the sun doesn’t shine and the wind doesn’t blow, humanity still needs power. Researchers are designing new technologies, from reinvented batteries to compressed air and spinning wheels, to keep ...

Writing exclusively for News Corp, former Australians of the Year, prime ministers, prominent business leaders and sporting ...

Gravitational wave observations have revolutionized our understanding of black holes, revealing crucial details about their ...

Methane (CH 4) is the second most important greenhouse gas in terms of radiative ... Circle arrows indicate lateral transport or redistribution without an earth component. Solid circles indicate the ...

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

Hola, mis amigos de la ciencia! This week, researchers reported that hominins strode bipedally across Europe 500,000 years ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.