Astronomy
Rocks and Other Features at Perseverance’s Landing Site are Getting Navajo Names
In conjunction with the Navajo Nation, the Perseverance mission team is designating features in the Jezero Crater with Najavo names
New Binocular Nova Cas 2021 Flares in Cassiopeia
A ‘new star’ erupted into visibility over the past weekend, and continues to brighten.
An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen
Our sky is missing supernovas. Stars live for millions or billions of years. But given the sheer number of stars…
Oumuamua Isn’t an Alien Probe, Because Aliens can Learn Everything They Need About us With Telescopes
A new study offers a new take on why 'Oumuamua could not have been an alien probe: a lack of…
Tracking Satellites Through GEOSat Eclipse Season
You can spot satellites in far-flung orbits… if you know exactly where and when to look.
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…
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…
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…