CBS Sci-Tech News

Ocean heatwaves known as the "blob" are responsible for toxic algae blooms that kill plankton, a key food source for marine life. Experts are concerned a massive blob that formed in the Pacific in 2015 is reforming. Jonathan Vigliotti explains.

Studying climate change under the sea

In our Eye On Earth series, we're looking ahead to a landmark United Nations Climate Action Summit next week. Mark Phillips goes deep under the Florida Keys to the only undersea science lab in the world where marine biologists can live for weeks at a time, studying the effects of climate change on the ocean ecosystem.

Climate change: 5 things to know

"Face the Nation" moderator Margaret Brennan with five things to know about climate change and its impact on the world already.

For the first time, we have a detailed picture of what happened in the 24 hours after an asteroid hit the Earth 65 million years ago and caused dinosaurs to become extinct. A research team led by the University of Texas at Austin made the new discoveries using rocks found off the Yucatan Peninsula. Chief astronomer at the Franklin Institute, Derrick Pitts, joins "CBS This Morning" to discuss the scope of the blast and how it's impacted the planet.

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