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Watch the Launch of NASA’s Lucy Mission to Jupiter’s Trojan Asteroids

Surprise Russian Thruster Firing Prompts Space Station Emergency

Surprise Russian Thruster Firing Prompts Space Station Emergency

Why NASA Is Launching a Robotic Archaeologist Named Lucy

Dr. Eric Cassell, Bioethicist Who Put the Patient First, Dies at 93

How Hungry Sea Otters Affect the Sex Lives of Sea Grass

Viruses newly found in bats can hook human cells the way Covid does, scientists say.

Newly Discovered Bat Viruses Give Hints to Covid’s Origins

These Worms Left the Ocean Floor and Never Looked Back

Henrietta Lacks, Whose Cells Were Taken Without Her Consent, Is Honored by W.H.O.

In a Blue Origin Rocket, William Shatner Finally Goes to Space

Bezos has ambitious plans for Blue Origin beyond tourism.

Back on Earth, Shatner and Bezos have a Kirk-Spock moment.