On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale Blue Dot" image is just as awe-inspiring today.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

For a long time, it has been known that our moon does not have the same type of plate structure under its ground that the ...

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have ...

Venus – the planet named after the Roman goddess of love – will shine brightest this Valentine's Day in a rare cosmic coincidence. Venus is the brightest planet we can see from Earth, outshining all ...

Incredibly powerful marsquakes that violently shake the red planet don't always begin under the surface, research shows.