The odds of a space-junk crash Wednesday evening (Jan.29) aren't as slim as we had thought, it turns out.
Anthropologist reveals a potentially big flaw in the Search for Extraterrestrial Intelligence (SETI).
NASA has chosen nine finalists in the student naming contest for its next Mars rover, which currently goes by the bland Mars 2020.
Tonight (Jan. 28), you can catch the crescent moon make a close approach to Venus in the evening sky.
Here's a guide to all the rocket launches and astronomical events in 2020, as well as milestones for space missions, anniversaries and conferences.
"Project Blue Book," the hit television docudrama about the U.S. military's investigations into aliens more than 50 years ago, is back for Season 2.