Wherever there's light and an object, there's a shadow. By blocking sunlight, Earth casts a shadow, too. But can you see Earth's shadow? Astronomers told Live Science that yes, you can see it cast on ...

For decades, astronomers have searched the skies for alien radio signals but with little success. A new study argues the problem might not be absence of signals but timing and direction. The research, ...

The moon during a 2022 lunar eclipse. Erik Johnson Erik Johnson The moon during a 2022 lunar eclipse. A lunar eclipse is happening on March 14, a day some people celebrate as Pi Day. You may see a ...