51¶¯Âþ

immune system

Colourful topographic map of Mercury

Space

First global Mercury map shows its hills and valleys in detail

The team behind NASA's Messenger mission to Mercury has released the first global topographic map of the planet – just in time for its biggest show of the decade

51¶¯Âþ

Mercury crossing the sun

Space

How to watch Mercury pass in front of the sun today

51¶¯Âþ

swansong earth

Earth

Last days of Earth: Life in 7 billion years AD

Features

blood test

Health

Having an overactive immune system may prime you for depression

51¶¯Âþ

Strange Manx comet is time capsule from the early solar system

Strange Manx comet is time capsule from the early solar system

51¶¯Âþ

Makemake shining brightly, with a small, faint blob just above it and a big arrow pointing to it

Space

Never-before-seen moon spotted around dwarf planet Makemake

51¶¯Âþ

Saturn's rings as seen from space

Space

Cassini gears up for final fiery plunge into Saturn's atmosphere

51¶¯Âþ

solar system

Earth

How two tiny dots defy the history of life and the solar system

Features

The HAWC observatory near the Sierra Nevada volcano in Mexico

Space

Water telescope’s first sky map shows flickering black holes

51¶¯Âþ

Cassini circling Saturn

Space

Saturn probe Cassini hoovers up dust from distant stars

A rare haul of interstellar dust was picked up in orbit around Saturn, and could give us clues to how the solar system formed from the remnants of other stars  

51¶¯Âþ

Space

Ease up doom mongers, Planet Nine is not about to destroy us

Comment

Space

Mars moons may have formed after collision with Pluto-like world

51¶¯Âþ

Space

The play X will have you clock-watching - but in a good way

CultureLab

Space

Planet Nine might be an exoplanet stolen by the sun

51¶¯Âþ

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop