Hello, friends of the Earth and sky! We're on the 3rd day of our once-yearly crowd-funding campaign. Can you help? Click here to donate and learn more.
Space fans speak of the Mars rovers - which are sophisticated robots - almost as if they're human. #GoodnightOppy. Image via NASA.
This week, NASA announced that the Mars Opportunity rover, built to last 90 days, has ended its mission after 15 years on the red planet. #ThankYouOppy for 15 years of scientific discovery and Mars exploration! Read more.
Mars has long been thought to be a geologically dead world. Could there still be volcanic activity beneath its surface? A subsurface lake at Mars' south pole suggests that possibility. Read more.
We need you and your support to keep going! Donate now, or visit our campaign page to learn some of our needs and goals for the coming year. Thank you to all who have donated!
Watch the great sky show before daybreak Monday morning, as the planets Venus and Saturn come to conjunction beneath Jupiter in the east before sunup. Charts and more here.
EarthSky friend JV Noriega caught the planets Saturday morning in the east before sunup over Cape Santiago lighthouse, Batangas, Philippines. Thank you, JV!
