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A mysterious picture of a moon behind the moon

Space

Earth may have a pair of 'ghost moons' made of dust trapped in orbit

Photographs show signs of a ghost moon, a translucent gas cloud that orbits Earth along with our moon. But some say the images are not definitive

News

A picture of BepiColombo in front of Mercury

Space

The BepiColombo spacecraft is about to blast off to Mercury

News

The Sun review – a shiny blockbuster for London’s Science Museum

Space

The Sun review – a shiny blockbuster for London’s Science Museum

Culture

thermal image of houses

Environment

Old homes around the world must be retrofitted to meet climate targets

News

Iapetus

Space

Moons can have moons and they are called moonmoons

News

Distant dwarf planet called 'The Goblin' could point to Planet X

Space

Distant dwarf planet called 'The Goblin' could point to Planet X

News

Don't miss pic

Space

Don't miss: Darwinian premiere, what's really real and sun science

Culture

10 mysteries of the universe: Is our solar system normal?

Space

10 mysteries of the universe: Is our solar system normal?

Features

solar farm

Environment

Filling Sahara with solar and wind farms would double local rainfall

News

An artist's impression of Psyche

Earth

NASA’s deep-space mission to a $10 quintillion all-metal world

The unique metal asteroid Psyche may be a space miner's fantasy – but there are better reasons to want to visit it, says mission leader Lindy Elkins-Tanton

Features

Environment

Rock layers show our sun has been in same cycle for 700 million years

News

Space

NASA’s Parker Solar Probe is on its way to the sun, via Venus

News

Health

Allergy explosion: What causes allergies and how to avoid them

Features

Health

Allergy explosion: The truth behind the most common myths

Features