For billions of years, the Sun’s gravitational has kept Earth’s orbit on a steady and reliable path. But this rogue star has ...

During Earth’s early days, a gargantuan collision left our planet spinning at an angle. That slight incline allowed life as ...

Since the first exoplanets were discovered in the 1990s, many have wondered if we might find another Earth out there, a place called Planet B. Natalie Batalha, professor of astronomy and astrophysics ...

Imagine a planet much like Earth, except instead of green trees dotting its swaths of land, two species of flowers—black daisies and white daisies—are the dominant plant life. The flowers are ...

Illustration of a hypothetical planet covered in water. Credit: NASA/JPL-Caltech. April 7, 2025, Mountain View, CA -- What if we spend decades building advanced telescopes to search for life on other ...

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

Our readers enjoy getting to grips with this one, pondering everything from what this planet might look like to the various ...

I will assume you’re referring to what would happen if Earth stopped rotating all at once, without any gradual reduction in velocity. In that event, most things on Earth would be almost immediately ...

How did life begin on Earth? While scientists have theories, they don’t yet fully understand the precise chemical steps that led to biology or when the first primitive life forms appeared. But what if ...