Worrisome New Coronavirus Mutations Are Emerging. Why Now?

Worrisome New Coronavirus Mutations Are Emerging. Why Now?

For months, these researchers had been periodically doing similar genomic surveillance work to keep tabs on the dozens of strains of SARS-CoV-2 that were circulating around the country, looking for any problematic mutations in the virus’s spike protein.

Space Photos of the Week: Strap on Your Space Goggles and Bask in the Starlight

Space Photos of the Week: Strap on Your Space Goggles and Bask in the Starlight

Telescopes like Chandra can spot x-ray light coming from massive stars, much larger than our Sun, that are active for only a few million years, sputtering out gas and dust into space.

Space Photos of the Week: Do You Want to Land on an Asteroid?

Space Photos of the Week: Do You Want to Land on an Asteroid?

OSIRIS-REx will soon enter orbit around the asteroid, where it will spend nearly a year carefully mapping its surface before descending to latch on and collect a sample to bring back to Earth.

Space Photos of the Week: A Star Is Born After Gases Crash

Space Photos of the Week: A Star Is Born After Gases Crash

And all this creation maybe have been the result of an accidental collision: Scientists believe a galaxy in the vicinity collided with ESO 338-4, and their subsequent interaction of gas and dust is what’s feeding all the stellar activity in this region.We’ve come across the galaxy cluster called Abell 2597 in our travels before, but never looking like this.