Christina Larson

Perseverance Mars rover, foreground, and the Ingenuity helicopter, April 6, 2021.

Mars Rover Comes Up Empty in Bid to Collect Rock Sample

Engineers were working to figure out what happened.

Avian ecologist and Georgetown University Ph.D. student Emily Williams releases an American robin, too light to be fitted with an Argos satellite tag, after gathering samples and data and applying bands, Cheverly, Md., April 28, 2021.

A Golden Age of Tracing Bird Migration

Scientists are able to remotely monitor songbird movements in much greater detail than ever before.

Combination of microscope images showing different 'iBlastoids' stained to highlight different cell types.

Lab-Made Pre-Embryos Could Spur Ethics Debates

Scientists say the cells could pave the way for more research without running afoul of restrictions on using real embryos.

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Will the Coronavirus Ever Go Away?

It’s likely the disease will eventually ease from a crisis to a nuisance like the common cold.

Emmanuelle Charpentier, left, and Jennifer Doudna address the National Academy of Sciences international summit on the safety and ethics of human gene editing in Washington, Dec. 1, 2015.

Scientists Win Nobel Chemistry Prize for Gene-Editing Tool

The method, likened to "molecular scissors," offers the promise of one day curing inherited diseases.

A lab technician at Johnson & Johnson subsidiary Janssen Pharmaceutical in Beerse, Belgium, June 17, 2020.

Race for Vaccine Could Leave Some Countries Behind

Without a detailed strategy, the allocation of vaccines could be inequitable and extremely messy.