Discover why Earth's farthest distance from the sun coincides with summer heat, then grab your binoculars for a week of ...

Save $100 on this 5-inch telescope and enjoy views of Saturn's rings, the belts of Jupiter and bright deep space objects like ...

A new material called Alloy 30 shrinks when it is heated and expands when it is cooled and it could help with telescope ...

UChicago-led analysis of Mars Science Laboratory Curiosity rover data may explain why planet was likely harsh desert for most ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

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

New computer models suggested that the Mars Reconnaissance Orbiter (MRO) could get better radar data if it rolled farther ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

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

The James Webb Space Telescope has discovered its first exoplanet, astronomers said Wednesday, capturing rare direct images ...