Has Proof of Dark Matter Been Hiding on Ganymede?
AdultsAstronomyDiscoveryScienceSpace Astronomers might not know what dark matter is made of, and they might not be able to see it, but they know that it exists.
Can Humanity Stop A Planet-Killing Asteroid?
AdultsAstronomyNatural DisastersScienceSpace Some killer asteroids were found only days before flyby. If they had struck Earth, the power of thousands of nuclear bombs would have flattened cities and killed millions.
Can Humanity Stop A Planet-Killing Asteroid?
AdultsAstronomyScienceSpace Some killer asteroids were found only days before flyby. If they had struck Earth, the power of thousands of nuclear bombs would have flattened cities and killed millions.
Stars, Constellations, and More
ChildrenAstronomyEE1EE2ScienceSpace By the end of this science lesson, students will be able to describe the characteristics of stars and constellations.
The Earth's Rotation
ChildrenAstronomyEE1EE2Science By the end of this science lesson, students will be able to connect the position of the Earth to day and night, and recognize that different parts of the world experience day and night at different times.
The Largest Object in the Universe Breaks the Laws of Physics
AdultsAstronomyPhysicsScience In March 2025, astronomers announced the "largest cosmic structure discovered to date". They called it Quipu. And Quipu is just the latest entry in a list of structures that are too big for cosmologists to explain without revisiting one of the most fundamental assumptions they have about the universe.
What Is A Blue Moon?
YouthAstronomySpaceYouth 110Youth 115 You may be familiar with the Moon turning red during lunar eclipses, but did you know that it can sometimes appear to have a blue hue?