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Of 4 types of planetary systems, ours is rarest
A new study suggests there are 4 types of planetary systems. The Ordered class, which includes our own solar system, is the rarest.
February 17, 2023
Black holes as source of mysterious dark energy
Researchers have found evidence for black holes as the source of dark energy in our universe. This would solve a long-standing mystery in cosmology.
February 16, 2023
Nearby Earth-size exoplanet may be habitable
Meet Wolf 1069 b, an Earth-size exoplanet only 31 light-years away that resides in its star's habitable zone. It's an ideal target in the search for alien life.
February 16, 2023
Small asteroid dropped meteorites on France
A small asteroid safely crashed into Earth's atmosphere over France on February 13, 2023. It left meteorites on the ground that people have started to find.
February 15, 2023
Asteroid will pass Earth safely on February 15-16
A 1/2 mile wide (1 km wide) asteroid will pass Earth safely on February 15 and 16, 2023. Observers with telescopes can spot it. See star charts here.
February 14, 2023
It’s spoke season on Saturn!
Spoke season on Saturn comes in cycles centered on Saturn's equinoxes, which happen only about every 15 years. It's happening now!
February 13, 2023
Saturn’s moon Mimas might have an ocean
A new study suggests that Saturn's moon Mimas may have a subsurface ocean. If so, the "Death Star" moon would join other ocean moons in the outer solar system.
February 12, 2023
Dwarf planet Quaoar has a ring!
Scientists discovered that the dwarf planet Quaoar has a ring! It's far enough away from Quaoar that scientists would have expected it to form into a moon.
February 10, 2023
A new space junk catalog for moon missions
With more moon missions in the works, scientists are creating a space junk catalog to track debris between Earth and the moon.
February 9, 2023
Is a space junk disaster inevitable? Another close call
Two large pieces of Soviet-era space debris narrowly missed colliding in a space junk disaster on January 2023. Is a collision inevitable?
February 8, 2023
