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.

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

Using complex climate models, researchers have pinned down the point at which life will no longer be able to survive on Earth ...

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

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

This video looks back at Elon Musk’s Terrafab reveal and argues that the real story was never just about building more chips.

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

“I think you'll be asking different questions in 50 years,” the engineer behind the world's tallest building told Newsweek.

Nearly four decades after the Chornobyl nuclear disaster, the abandoned reactor remains one of the most hostile places on ...

The star’s looming death will dramatically reshape the inner solar system, engulfing Mercury and Venus in a fiery sphere. The ...