Lu+ optical frequency references with accuracy verified at the 19th digit

Where would you go in a time machine? Physicist says time travel only goes forward

China detects rare radio signal from distant star system

Scientists in China detect an unusual radio signal from a star system 238 light-years away, sparking debate over alien technology.

Friday Northern Lights Forecast: The Aurora Borealis May Appear In 10 States

Coverage tracks an incoming geomagnetic storm driven by a coronal hole, bringing the aurora borealis to ten states.

Artemis II Rocket Was Powerful Enough To Disrupt GPS

Coverage indicates the Artemis II rocket generated enough power during launch to disrupt GPS operations.

A 3,200-pound NASA observatory plunged back to Earth. Here’s what to know

1 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.

NASA Is Selecting Future Astronauts. Here’s How to Apply.