Every time I see the moon in the sky, it makes me happy. Our natural satellite is so familiar it’s easy to take it for ...

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.

(Mark Garlick/Science Photo Library/Getty Images) If potted plants always seem to die under your care, you can take solace in ...

A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...

A reader (and astronomy expert) gets to grips with this one, pointing out that Earth’s future fate is still uncertain – and ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

Vegetarians need not worry yet—plants will be on Earth for a long time to come. But not forever. The sun will ultimately ...

Beneath the ocean’s surface, an unseen system works without pause. Tiny microbes drift through the water, breaking down ...

One day, far in the future, a leaf will turn brown and crumble to dust, representing the end of all plants on Earth. Without ...

Nasa is attempting an unprecedented mission to rescue its ageing Neil Gehrels Swift Observatory before it re-enters Earth’s ...

A new study suggests Earth may have been sending tiny hitchhikers to Venus for billions of years. Researchers found that asteroid impacts could launch microbes into space, where some might survive the ...