Frequency clash

A perfect ten, is it?

Two groups of scientists have claimed there is proof of a tenth planet in the solar system. Astrophysicists are sceptical

The colour red

Jupiter's Great Red spot resembles a lopsided wedding cake, say experts

3D imager

Jupiter's winds

What keeps Jupiter and its plasma sheet in synchronous orbit

Looking back

By studying distant galaxies, we can test and refine our theories of star formation

Small-talk

Red surprise

Dazzling rays

Tracing cosmic rays

Challenge of the balance

When will scientists stop? The latest is the 'nanobalance', which would measure the mass of microorganisms and viruses

Deep mystery

Tiny eyes in space

A tougher stand

Ceramic products used to be brittle. But not any more

Songs of distant earths

Scientists scan the sky for alien signals with renewed zest

Hackers stay out

New additions!

Mission to Mars

Planetary escorts

For stability

Starry picture

Life on Europa

Better hydrogen storage

Planet watch

A reversal of time!

Statistical physics provides an explanation to dark matter and how time could run backwards