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
Solar Activity Could Threaten the Artemis Crew
Reported by Universe Today
In his blockbuster 1982 novel "Space", the writer James A. Michener wove a gripping tale of astronauts trapped on the Moon during a major solar storm. Warnings from Earth didn't come soon enough to save them from death by radiation sickness. To avoid such ...
- By: Carolyn Collins Petersen (https://www.universetoday.com/authors/cc-petersen)
- On: Sun, 29 Mar 2026 23:18 +0000
New Henrietta Spectrograph to Probe Alien Atmospheres
Reported by Universe Today
Finding life beyond our solar system goes beyond measuring an exoplanet’s size, as rocky, Earth-sized worlds might not have the conditions for life as we know it. While exoplanets can be directly imaged by blocking their star’s glare, these images are ...
- By: Laurence Tognetti, MSc (https://www.universetoday.com/authors/laurencetognetti)
- On: Sun, 29 Mar 2026 22:27 +0000
Rubies on Mars? Rover finds fluorescent gems for 1st time
Reported by Space | EarthSky
Are there rubies on Mars? NASA's Perseverance rover has found tiny fluorescent gems in pebbles that appear to be rubies or sapphires.
The post Rubies on Mars? Rover finds fluorescent gems for 1st time first appeared on EarthSky....
- By: Space | EarthSky
- On: Sun, 29 Mar 2026 10:58 +0000