"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...

The universe is vast and full of mysteries, and recent advancements in astronomy are helping us uncover secrets about deep ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

Asteroids have long fascinated scientists as remnants of the early solar system, offering clues about the origins of our ...

What Is a Magnetosphere? A magnetosphere is the region surrounding a planet that is dominated by its magnetic field. While ...

Though Carter never claimed to have spotted aliens or a flying saucer — to him this was literally an unknown object in the air — people snickered and mistook his UFO sighting as such. Skeptics, who ...

New research underscores the physics of potential oceans on moons like Europa and Enceladus where aliens could hide ...

In 2024, space exploration dazzled the world. NASA’s Europa Clipper began its journey to study Jupiter’s moon Europa.

Titan, Saturn’s largest moon, is the only object in the Solar system other than Earth with liquids on its surface. Discovered ...

NASA's record-setting spacecraft was just 3.8 million miles from the sun's surface—the closest any human-made object has ever ...

In 2024, space exploration dazzled the world. NASA’s Europa Clipper began its journey to study Jupiter’s moon Europa.

The famed astrophysicist Carl Sagan and former President Jimmy Carter shared a fundamental understanding about the fragility ...