Do Supermassive Black Holes Come From Supermassive Stars?
The gargantuan supermassive black holes at the center of seemingly every galaxy are among the most fascinating and extreme objects…
Wormholes Could Allow Travel Across the Universe, as Long as Your Spacecraft is Microscopic
An alternative to general relativity predicts wormhole travel is possible, but only if you're teeny-tiny.
There Should be About 7 Interstellar Objects Passing Through the Inner Solar System Every Year
A new study led by the Initiative for Interstellar Studies (i4is) has found that interstellar objects like 'Oumuamua visit our…
A Planet Lost Its Atmosphere, So Its Volcanoes Made It a New One
A red-dwarf star called Gliese 1132 or GJ 1132 for short (astronomers and their fun nicknames!) smolders on some 41…
The Giant Magellan Telescope’s 6th Mirror has Just Been Cast. One More to Go
Work has begun on the sixth and seventh mirror segments for the Giant Magellan Telescope, which will begin studying the…
China and Russia Will Be Partners in a Lunar Research Station
There are many paths to the Moon, and not all of them go through the Lunar Gateway. This week, the…
Alcubierre Gives us an Update on his Ideas About Warp Drives
A new look at warp drive fuels hope that it might be possible after all.
Measuring the Temperatures of Red Giants is Actually Pretty Tricky
Red giant stars are, well, red and giant. But astronomers have always had difficulty estimating their temperatures, due to their…
Comets Already Grow a Coma out in the Kuiper Belt
Just when do comets get their signature coma? Conventional wisdom says it only happens when they get close enough to…
The Oldest Stars Help Tell us how big the Universe is
Astronomers are struggling to understand the discrepancies when measuring the expansion rate of the universe with different methods, and are…