To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex.
A 250th anniversary only comes once in a lifetime.
"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link."
Hunt for the names of mysterious dwarf planets, most of which orbit on the fringes of our solar system
"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most massive black holes in the universe."
This coming July, Venus could plow through the dust generated by an asteroid breakup thousands of years ago, potentially sparking an impressive meteor shower.
"This is one of the most exciting results from Solar Orbiter so far."
"A strong magnetic field is very important for life on a planet."
NASA's James Webb Space Telescope has spotted a young star flinging heat-formed crystals outward on a cosmic conveyor belt, offering a new clue to how comets evolve.
Sometimes astronomers don't need giant telescopes to observe the wonders of the cosmos; they just need to look up at the night sky.
