Celebration of Space - June 19, 2026
Reported by Scott MacNeill's Columns
On Sunday, June 21, 2026 at 4:25 am ET, Earth will arrive at the point in its orbit where the Northern Hemisphere is at maximum tilt (23.4°) towards the Sun. This is the Summer Solstice and marks the first day of the summer season in the Northern Hemisphe...
- By: Scott MacNeill
- On: Fri, 19 Jun 2026 13:30:27 EDT
The Quiet Conversation Between Muscle and Gravity, and What Happens When It Stops
Reported by Universe Today
Every muscle in the human body is, in a sense, in constant conversation with gravity, sensing load and responding accordingly to stay strong. Remove that conversation, as happens to astronauts in orbit, and the consequences unfold at a molecular level long...
- By: Mark Thompson (https://www.universetoday.com/authors/mark)
- On: Wed, 01 Jul 2026 09:57 +0000
A Star’s Death Throes Involves a Lot of Kicking
Reported by Universe Today
When stars like the Sun reach the end of their lives, the textbook story has them puffing up and quietly shedding their outer layers to leave a white dwarf behind. A new model suggests it is far less serene than that. As dying stars eject mass asymmetrical...
- By: Mark Thompson (https://www.universetoday.com/authors/mark)
- On: Wed, 01 Jul 2026 08:47 +0000
Galaxy Groups Hiding in the Universe’s Emptiest Places
Reported by Universe Today
Even the universe’s emptiest regions, the vast voids that make up most of the volume of space, are not entirely empty. A new study using the CAVITY survey hunts for galaxy groups hiding within these voids, applying a friends of friends technique to chart...
- By: Mark Thompson (https://www.universetoday.com/authors/mark)
- On: Wed, 01 Jul 2026 08:30 +0000
ESA Outlines High-Tech Lander Instruments for 2050 Enceladus
Reported by Universe Today
Saturn’s moon, Enceladus, has become a prime solar system target for astrobiologists. This is because the small moon, which is just over 10 percent the diameter of Earth’s Moon, harbors a vast subsurface ocean beneath its icy crust. This subsurface oce...
- By: Laurence Tognetti, MSc (https://www.universetoday.com/authors/laurencetognetti)
- On: Wed, 01 Jul 2026 06:38 +0000
Habitable Worlds Targets in New Star Activity Catalog
Reported by Universe Today
Searching for habitable worlds beyond our solar system consists of more than just having it orbit within its star’s habitable zone, which is the region where temperatures could be just right for liquid water to exist on the surface. On Earth, where water...
- By: Laurence Tognetti, MSc (https://www.universetoday.com/authors/laurencetognetti)
- On: Wed, 01 Jul 2026 05:13 +0000