What If

If we had to abandon Earth, which exoplanet would we choose? Explore six promising worlds and uncover which one could become the next Earth.

The Moon is on a deadly collision course with Earth, causing floods, quakes, eruptions, and rising tides. Here's how its growing gravitational pull tears our planet apart.

A countdown of the universe's most terrifying planets, ranked from mildly unsettling to utterly nightmare-inducing.

To cool a burning Earth, we dump all its water onto the Sun. Explore whether it's possible, why reaching the Sun is so hard, and what happens when we drench it.

Travel back to the Permian period, home to the largest mass extinction in Earth's history. Learn what caused it and which species managed to survive the devastation.

The next 100 years will transform humanity through AI, climate control, revived species, and space missions. Travel decade by decade into our future.

A look into how humanity might physically evolve over the next thousand years, from tech-enhanced bodies to adaptations shaped by our modern lifestyles.

A look at cutting-edge innovations powering the future of electric vehicles and renewable energy, and the path toward a cleaner planet.

What if dinosaurs evolved to survive the asteroid impact? Explore reimagined species with new traits-from armored giants to miniature survivors-built to endure catastrophe.