The scientific wonderers at What If visualize a night sky filled with dozens of diverse moons and the massive tidal waves that would reshape our coastlines.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Jupiter and Saturn may seem similar as gas giants, yet their vastly different moon systems reveal a deeper story shaped by ...

April’s new moon brings dark skies, making it easier to see Venus, Jupiter, Mars and key constellations along with distant ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

We are stardust brought to life, then empowered by the universe to figure itself out — and we have only just begun.” Andrew ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and ...

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

The interstellar comet 3I/ATLAS releases water equivalent to 70 Olympic pools daily, providing insights into ancient ...

Glaciers can reveal vast archives of information about Earth's environmental past, but deciphering the origins of the matter ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

The images captured by the crew onboard the Orion capsule have certainly left an impression that captures the memories of an epic journey.