Oldest Carbon-rich Stars Open a Window to Early Cosmic Chemistry
Reported by Universe Today
Astronomers studying the ultra-faint dwarf galaxy Pictor II have found an extremely chemically peculiar star that contains traces of elements created by the first stars in the Universe. It's called PicII-503, a "second-generation star" that is one of the m...
- By: Carolyn Collins Petersen (https://www.universetoday.com/authors/cc-petersen)
- On: Mon, 30 Mar 2026 23:10 +0000
Sendoff for Artemis II Crew
Reported by NASA
From left to right, NASA astronauts Andre Douglas, Victor Glover, and Christina Koch, CSA (Canadian Space Agency) astronauts Jenni Gibbons, NASA astronaut Reid Wiseman, and CSA astronaut Jeremy Hansen pose for a photo before the Artemis II crew proceed to ...
- By: NASA
- On: Mon, 30 Mar 2026 18:18 +0000
To Celebrate the Coming of Spring, NASA Releases Images of "Blossaming" Stellar Nurseries
Reported by Universe Today
This collection of images from NASA’s Chandra X-ray Observatory and other telescopes contains regions where stars are forming. Often nicknamed “stellar nurseries,” they are cosmic gardens from which stars – not plants – emerge from the interstell...
- By: Matthew Williams (https://www.universetoday.com/authors/houseofwilliams)
- On: Mon, 30 Mar 2026 17:52 +0000
We Could Be Hit By Five Building-sized Asteroids By The End Of The Century - So What Are We Going To Do About It?
Reported by Universe Today
It’s amazing how much one movie can act as a cultural touchpoint for an entire topic - even a topic as serious as defense of a planet. Popular media consistently use the 1998 movie Armageddon as a reference when talking about how we would destroy a civil...
- By: Andy Tomaswick (https://www.universetoday.com/authors/andy-tomaswick)
- On: Mon, 30 Mar 2026 11:56 +0000
How Plants Could Betray Themselves Across the Galaxy
Reported by Universe Today
Every green leaf on Earth does something remarkable, it absorbs visible light for photosynthesis but reflects near-infrared light back into space, creating a distinctive spectral signature that could in principle be spotted from across the Galaxy. It's cal...
- By: Mark Thompson (https://www.universetoday.com/authors/mark)
- On: Mon, 30 Mar 2026 08:27 +0000
Mars Was Once a World of Rain
Reported by Universe Today
Mars today is a frozen, barren world where liquid water can briefly appear on its surface but evaporates almost instantly in the thin atmosphere, unable to persist in any meaningful quantity. But a handful of pale, bleached rocks spotted by NASA's Persever...
- By: Mark Thompson (https://www.universetoday.com/authors/mark)
- On: Mon, 30 Mar 2026 08:19 +0000