Are Andromeda and the Milky Way Already Exchanging Stars?

I often drag out the amazing fact that the Andromeda Galaxy, that faint fuzzy blob just…

Black Holes are Tearing Stars Apart All Around Us

Galaxy NGC3799 lies around 16 million light years from Earth. Any event observed today within that…

This is Europa Clipper’s Version of the Golden Record

The Voyager spacecraft carried on board a plethora of scientific instruments but attached to the side…

Astronomers Propose a 50-Meter Submillimeter Telescope

Some parts of the Universe only reveal important details when observed in radio waves. That explains…

Black Holes Need Refreshing Cold Gas to Keep Growing

The Universe is filled with supermassive black holes. Almost every galaxy in the cosmos has one,…

Cyborg Jellyfish Could Help Explore Oceans Autonomously

Earth’s oceans are—like space—a largely unexplored frontier. Relatively few humans have explored either place, using specialized…

SpaceX is Gearing Up for the Starship’s Third Orbital Test Flight

The Starship/Super Heavy is the world’s first fully reusable launch system and the most powerful rocket…

Ariane 6 is Coming Together

The European Space Agency (ESA)’s next generation heavy lift rocket is just months away from its…

This Hot Jupiter is Doomed to Crash Into its Star in Just Three Million Years

In 2008, astronomers with the SuperWASP survey spotted WASP-12b as it transited in front of its…

White Dwarfs Might Be Less Dead Than We Thought

At the end of their lives, most stars including the Sun will become white dwarfs. After…