Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Is Mars really as red as people say it is? – ...

President Donald Trump’s single reference to space in his second inaugural address Monday pointed in an unexpected direction. In his prepared remarks, Trump, a longtime backer of U.S.-led space ...

"Mars is still the Red Planet. It’s just that our understanding of why Mars is red has been transformed." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

This story was updated to correct inaccurate position of Mars and Earth. Mars will appear its biggest and brightest this month when it reaches its closest position to Earth while simultaneously being ...

NASA’s Curiosity rover has been tootling across the martian surface since 2012, its lofty quest to determine if Mars ever had environmental conditions suitable for microbial life. While it’s already ...