ALT A promotional graphic for the "Spooky Social" event by Carnegie Science. It features a carved pumpkin asteroid hurtling through space, with Earth in the background. Text reads: "Planet X, Killer Asteroids & Other Things Lurking in Space." The event details are "Caveat NYC, Thursday, October 29, Doors 6:30 PM, Show 7:00 PM." It promises a talk from astronomer Dr. Scott Sheppard, plus treats, trivia, a costume contest, and more.

ALT "Dark Matter: The Greatest Holiday Light Is Not Always the One We See" Description: This illustration represents an artistic depiction of dark matter as the invisible force that quietly shapes and holds the universe together, influencing galaxies, clusters, and the vast structure of the cosmos through its gravitational pull. In much the same way, according to the artist, the spirit of the holiday season is an unseen force that draws humanity together.

ALT "Little Lights in the Night" This image shows immunofluorescence imaging of Xenia soft coral cells. Cell nuclei are shown in blue, actin filaments in red, microtubules in green, and symbiotic algae in gray through autofluorescence.

ALT Floating in Ocean's (Winter) Wonderland A close-up photograph of a seahorse anchored by its prehensile tail to the stalk of aquatic vegetation, showcasing its natural camouflage and delicate morphology.

ALT Meet Chlamydomonas reinhardtii, the single-celled green alga featured in our International Microorganism Day logo. Carnegie’s Adrien Burlacot uses it to investigate how photosynthesis responds to changing environments and how microscopic algae manage the energy needed to turn sunlight and carbon dioxide into life.