Unlocking the Universe’s Dark Ages: How a Quasar’s Wild Flicker Could Change Cosmic History
Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...
It’s 89 Seconds Until Doomsday and Her First Day on the Job
Alexandra Bell is bringing more than a decade of experience in nuclear policy to the organization that sets the Doomsday ...
Piecing together the puzzle of the world's earliest datable rune stone
Piecing together fragments of the world's earliest known rune stone shows they fit together like a jigsaw puzzle and may have ...
NASA Uncovers Life’s Building Blocks in Asteroid Bennu’s Pristine Sample
NASA’s OSIRIS-REx mission delivered samples from asteroid Bennu, revealing crucial molecules linked to life, including amino acids and nucleobases found in DNA and RNA. The presence of ammonia and ...
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Lunar rocks help scientists pinpoint when the moon crystallized
If the scientists could very precisely measure the proportions of lutetium and halfnium in moon rocks compared to other ...