Astronomers have puzzled for decades over how massive elliptical galaxies appeared so early in cosmic history. The standard ...
You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...
Supermassive black holes rarely travel alone. Most large galaxies hide one at the center, and when galaxies collide, the two ...
Charleston, SC, astronomy professor answers questions from high school students about wormholes, black holes, colonizing Mars, outer space odors and more.
At the center of our galaxy, something incredibly heavy is pulling the strings. Stars ...
In my January 23, 2026, “The Universe” column, I wrote about some of the biggest bangs the universe has to offer: exploding stars, hiccupping magnetars, stellar disruptions and colliding black holes.
For a single supermassive black hole, extremely strong lensing occurs only when a star lies almost exactly along the line of ...
The equations used to describe flowing water also explain how atmospheres move and even how stars orbit inside galaxies. This video shows how fluid mechanics scales from rivers on Earth to the ...
"I really wanna see the mass driver on the moon that is shooting AI satellites into deep space. Just going like 'shoom, shoom,' just one after the other." ...
NASA and SpaceX sent a crew to the International Space Station in the pre-dawn hours of Friday in the Florida coast’s first human spaceflight of the year.
It was meant to be a routine political interview. Instead, it became a cosmic moment that sent social media into orbit. When ...
For decades, scientists have theorized that the Milky Way Galaxy’s supermassive black hole, known as Sagittarius A* (Sgr A*), ...