Human artifacts abandoned on Mars should be cataloged to track our migration beyond Earth

Scientists are calling for the cataloging of human artifacts left on Mars — from spacecraft and landers to rovers, probes, and other debris — to document humanity’s earliest steps in interplanetary exploration. “Our main argument is that Homo sapiens are currently undergoing a dispersal, which first started out of Africa, reached other continents, and has … Read more

Seismometers track atmospheric shock waves from incoming space debris

This article is republished from Eos.org under a Creative Commons license. Read the original article here. On April 2, 2024, a shower of fireballs lit up the night sky over Los Angeles and much of central and Southern California. Onlookers wondered whether they were witnessing a meteor, a failed rocket launch, or even a UFO. … Read more

“It’s like taking a picture of lightning:” How astronomers raced to track the smallest asteroid ever seen

Astronomer Teddy Kareta had spent countless nights over the years observing various objects across our solar system using Arizona’s Lowell Discovery Telescope, or LDT. On Nov. 19, 2022, he set his alarm to ring shortly before midnight, in preparation for what he presumed would be a quiet observing night — and woke up to missed … Read more