We are in Germany and it's winter, so we can confidently assume that it is cold, with possible snow covering the fields and ...
No two comets are exactly alike. While SWAN’s orbit is very well aligned with the plane of the planets as they orbit the sun, Lemmon’s orbit is highly inclined, tipped by more than 140 degrees, ...
New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.
Comet 3I/ATLAS is cutting across the solar system on a trajectory that does not quite match expectations, threading past the giant planets in a way that has planetary scientists recalculating what ...
I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...