This cosmic horizon presents a paradox : the farther we look, the older the light we observe. The most distant objects we can detect are those whose light has had just enough time to reach Earth ...

Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of ...

Event Horizon didn't receive much acclaim when it was originally released, but this underrated '90s sci-fi/horror hybrid is extremely disturbing.

The mystery radio pulses were picked up about 25 miles (40 kilometers) above Earth by the Antarctic Impulsive Transient Antenna (ANITA) experiment. ANITA is a series of instruments that float over ...

These and other issues led Swingle and Van Raamsdonk to posit an alternative to the cosmic horizon. It starts with imaginary time. Despite what the name suggests, imaginary time is not unreal or made ...

The famous black hole M87 keeps surprising us. New research calculates its spin speed to be at 80% of the theoretical limit, with matter falling into its maw even faster.

How big is the universe? The question has been debated for centuries with no decision. Some theorists think that the universe is infinitely large, with galaxies extending forever into infinite ...

YEREVAN—In early 2026, the Horizon Europe Marie Sklodowska-Curie Actions Doctoral Network program, the “GRAIL” project, will commence training a new generation of international Ph.D. researchers in ...