Scientists just observed Mars' eerie green nightglow in the visible light spectrum for the very first time.
On Monday (Jan. 30), the moon will pass in front of Mars from the perspective of Earth in what's known as an occultation.
When new planets form in distant solar systems, they carve out 'hurricanes' and 'vortices' in the surrounding dust that could lead astronomers straight to them.
On Sunday (April 17), skywatching cameras in Ontario recorded a massive fireball that likely produced tens to hundreds of grams of meteorites.
Though scientists know there's a supermassive black hole at the center of most galaxies, they can't explain how the gravitational giants formed.