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 ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Think you have what it takes to live in a Mars and moon simulation for a year? NASA may want to select you as a volunteer.

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

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

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 ...