3I/ATLAS is the third interstellar object seen zipping through our neighborhood
2017 OF201 is a giant iceball far, far beyond Neptune...and it complicates things for Planet Nine
Earth’s quasi-moon hung out last year but its origin was a mystery until now
A colossal supermassive black hole is (possibly) tangling with a tiny white dwarf. Guess who’ll win?
The Hubble tension is alive and well: JWST appears to confirm the cosmic expansion is different closer to us than farther away
New observations indicate it’s aimed away from us
New study shows no sign of chemicals at all from the exoplanet, let alone biosignatures
The collision caused easily visible multiple rings of stars to ripple outward
Very rare footage of a mini-impact, and the Gaia spacecraft has been shut down
August 22, 2022 Issue #455
Mind-blowing first images from the huge telescope.
The planet flew a little too close to the sun
