Q&A: The engineer who delivers mRNA inside human cells

Messenger RNA became a household term when it was used as the backbone of the first COVID-19 vaccines, especially after the Nobel Prize was awarded to two mRNA pioneers at the University of Pennsylvania.

NASA technology helps guard against lunar dust

Defeating dust may be a small concern for most people on Earth, but for astronauts and spacecraft destined for the moon or Mars, it is a significant hazard that must be mitigated. That's why researchers at NASA's Kennedy ...

S. Korea says second spy satellite placed in orbit

South Korea put its second domestically made spy satellite into orbit, Seoul's defense ministry said Monday, after it launched from an American space center on a SpaceX Falcon 9 rocket.

If Europa has geysers, they're very faint

In 2013, the Hubble Space Telescope spotted water vapor on Jupiter's moon Europa. The vapor was evidence of plumes similar to the ones on Saturn's moon Enceladus. That, and other compelling evidence, showed that the moon ...

Supporting the future of Mars exploration with supercomputers

You may have flown a flight simulator in a computer game or at a science museum. Landing without crashing is always the hardest part. But that's nothing compared to the challenge that engineers are facing to develop a flight ...

Citizen science project classifying gamma-ray bursts

When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic ...

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