When multiple planets spread across the sky at once, it’s called a planetary parade, or parade…
What to read this week: Ripples on the Cosmic Ocean by Dagomar Degroot
Our solar system, shown in this composite image, has had a big effect on humanity NASA/Bettmann…
How to see six planets in the sky at once in rare celestial alignment
Every few years, the planets appear in a line Getty Images Nearly all of the planets…
ESA – Space safety hazards: asteroids
Asteroids are ancient space rocks left over from the formation of the Solar System. They are…
Supermassive black hole stunts star growth in other galaxies
Artist’s concept of a galaxy with an active supermassive black hole millions to billions of times…
Total lunar eclipse on March 3, 2026, fully visible from eastern Asia to western Americas
A total lunar eclipse will occur on March 3, 2026, when the Moon passes entirely through…
Making an Entrance – NASA
NASA astronaut Jack Hathaway smiles up at the camera as he enters the International Space Station…
Making an Entrance – NASA
NASA astronaut and SpaceX Crew-12 Pilot Jack Hathaway enters the International Space Station after docking aboard…
SpaceX’s 1 million satellites could avoid environmental checks
SpaceX wants to launch many more satellites Charles Boyer / Alamy Stock Photo Astronomers are scrambling…
Greta rocket engine first test-firing campaign
The Greta engine firing up on a new mobile test stand in Trauen, Germany. Greta was…