Human-made debris left behind in outer space is a growing problem

Human-made debris left behind in outer space is a growing problem down on Earth

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From defunct satellites to rocket parts, debris from everything humans have launched into space since the 1950s is orbiting the Earth. That space junk is threatening our technology, both up there and down here. Marcus Holzinger, a professor of aerospace engineering at University of Colorado Boulder, joins Laura Barrón-López to discuss what's at stake. PBS News is supported by - https://www.pbs.org/newshour/about/funders

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New book 'Threat Multiplier' details the fight for the Pentagon to adapt to climate change

At a 2021 climate conference, Defense Secretary Lloyd Austin said, "No nation can find lasting security without addressing the climate crisis." That sentiment reflects the Pentagon's three-decade evolution on climate change. Ali Rogin sat down with Sherri Goodman, a former Pentagon official who...

Published 10/13/24

Winner of Nobel Prize in chemistry describes how his work could transform lives

The Nobel Prize in chemistry went to three scientists for groundbreaking work using artificial intelligence to advance biomedical and protein research. AlphaFold uses databases of protein structures and sequences to predict and even design protein structures. It speeds up a months or years-long...

Published 10/10/24

PBS News Hour - Science

Published 10/10/24