New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

New images that are the highest resolution ever taken of the surface of the sun and its corona are revealing details that ...

This easy Earth Moon Sun paper craft is perfect for some out ... Learning about our planets, stars and beyond is lots of fun ...

In the Northern Hemisphere, June 20 is the day on which the sun is highest in the sky, aka the summer solstice! This is the ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

An eclipse like this happens when the Moon, Earth and Sun all align so that the Moon is ... there are some bright stars you can see in our early spring sky. Here’s the rundown from the latest ...

Since March, Venus has been visible in the morning sky, just east of sunrise. But the planet's greatest elongation, when it ...