Tiny spacecraft could brake at exoplanet using alien starlight

Lightweight solar sails could bring spacecraft to the nearest star in just 20 years – but…

Planet Earth makes its own water from scratch deep in the mantle

Computer simulation confirms that water can form within our planet rather than arriving from space, and…

No room for complacency over threats from space

Asteroid impacts pose a perennial threat to Earth, so we should be alarmed that two planned…

Oxygen ions sent from Earth have been spotted on the moon

Earth’s magnetic field sends streams of oxygen ions towards the moon every month – and that…

Oxygen ions sent from Earth have been spotted on the moon

Earth’s magnetic field sends streams of oxygen ions towards the moon every month – and that…

Planet Earth makes its own water from scratch deep in the mantle

Computer simulation confirms that water can form within our planet rather than arriving from space, and…

Earth’s water must have arrived here earlier than we thought

Our best theory said meteorites brought water to Earth 4.5 billion years ago, now it seems…

Earth's water must have arrived here earlier than we thought

Our best theory said meteorites brought water to Earth 4.5 billion years ago, now it seems…

Dried-up slime could help microbes survive briny waters on Mars

Colonies of bacteria called biofilms live longer in Mars-like waters – especially if they were dried…

Earth’s water must have arrived here earlier than we thought

Our best theory said meteorites brought water to Earth 4.5 billion years ago, now it seems…