New York Times Science News

1. Building an Octopus Dictionary, One Arm Movement at a Time

   Scientists set out to understand all the ways the animals use their eight appendages. It wasn’t easy.

2. NASA Rover Findings ‘Could Be the Clearest Sign of Life’ on Mars

   The agency’s scientists are still not saying they found fossils of Martian microbes, but analysis of the specimen collected by the Perseverance rover raises that possibility.

3. Happy 10th Birthday to the Laser Interferometer Gravitational-Wave Observatory. Now Drop Dead.

   Ten years ago, astronomers made an epic discovery with the Laser Interferometer Gravitational-Wave Observatory. Cosmology hasn’t been the same since, and it might not stay that way much longer.

4. Scientists Begin Testing Bird Flu Vaccine in Seals

   If the results are promising, veterinarians hope to give the shots to wild Hawaiian monk seals, which are endangered.

5. Webb Telescope Studies Hopeful Hint of Earthlike Atmosphere on Trappist-1e Planet

   Scientists are steadily ruling out habitable conditions on the seven planets of the star Trappist-1. On one of the worlds, a nitrogen gas-rich veil remains a possibility.