Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

Mars appears red due to iron oxide, similar to rust and even human blood Probes reveal Mars is more tan or brown than red ...

The best time to catch Mars and Regulus — known as the "Heart of the Lion"— will be just after twilight fades and the stars ...

Hubble Space Telescope and MAVEN mission have been used to help unravel the mystery of Mars' escaping water. Credit: NASA ...

Lots of interesting physics goes into how researchers perceive the colors of planets and stars through different types of telescopes. If you look closely at pictures of Mars taken by rovers on its ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...

Mars and Regulus will remain close to each other until June 22. Now they are not so close to each other, but they can still be seen together with the naked eye. The best time to observe is right after ...

A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from ...

NASA's car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to ...

June offers a celestial spectacle, starting with the Milky Way's rise in dark skies. Venus shines brightly in the early ...

From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our ...