"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

You can see the lunar eclipse beginning around 11 P.M., but to see the peak of the eclipse you’ll have to be watching the skies around 2 A.M.

Scientists found that the inner core’s structure changes as it rotates. It deforms at its border, potentially accumulating more material in some areas and less in others — almost like creating hills ...

From the Earth’s perspective, the other planets are all on the same side of the sun and are visible ... It is close to Earth right now, so it is easy to spot. To the right of Mars is another ...