Measuring the Mass of the Universe Isn't As Simple as Astronomers Thought
Reported by Universe Today
How do scientists know the mass of the Universe? Measuring it has traditionally relied on knowing how many stars there are in galaxies, as well as clouds of gas and dust, and associated dark matter. Astronomers generally use the mass of the brightest stars...
- By: Carolyn Collins Petersen (https://www.universetoday.com/authors/cc-petersen)
- On: Sat, 29 Aug 2026 18:21 +0000
‘Jellyfish’ on Mars: Image from Curiosity rover goes viral
Reported by Space | EarthSky
What is this odd 'jellyfish' on Mars? Possibilities include a cosmic ray artifact, an electronic artifact and what astronomers call a "transient phenomenon." The image went viral this week!
The post ‘Jellyfish’ on Mars: Image from Curiosity rover goes ...
- By: Space | EarthSky
- On: Sat, 29 Aug 2026 10:08 +0000
Interstellar Travel V: Warp Drives, Wormholes, and Halo Drives
Reported by Universe Today
In our fifth installment, we explore the most exotic proposals for interstellar travel, including the Alcubierre Warp Metric, wormhole travel, the Halo Drive, and other truly advanced concepts....
- By: Matthew Williams (https://www.universetoday.com/authors/houseofwilliams)
- On: Sat, 29 Aug 2026 03:27 +0000
Spaceflight Leaves Heart Muscle Cell Strength Intact
Reported by Universe Today
Since the dawn of human space exploration, astronauts, scientists, and engineers have examined the short- and long-term effects of microgravity (often mistakenly called zero-gravity) on the human body. This includes the distribution of fluids to the upper ...
- By: Laurence Tognetti, MSc (https://www.universetoday.com/authors/laurencetognetti)
- On: Sat, 29 Aug 2026 02:22 +0000
NASA’s Artemis II Crew Receives Congressional Space Medal of Honor
Reported by NASA
From left to right: NASA astronauts Victor Glover and Christina Koch, CSA (Canadian Space Agency) astronaut Jeremy Hansen, and NASA astronaut Reid Wiseman receive the Congressional Space Medal of Honor from President Donald J. Trump on Aug. 28, 2026, for t...
- By: NASA
- On: Fri, 28 Aug 2026 22:21 +0000
NASA Awards First Prize in Phase 2 of Agency’s LunaRecycle Challenge
Reported by NASA
NASA named a team from the Massachusetts Institute of Technology (MIT) as the first prize winner for Phase 2 of the agency’s LunaRecycle Challenge, which focused on developing...
- By: NASA
- On: Fri, 28 Aug 2026 20:30 +0000