Physicists predict the universe’s expansion will reverse, ending in a dramatic big crunch about 20 billion years from now.

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

Gravitational-wave detection technology is poised to make a big leap forward thanks to an instrumentation advance led by physicist Jonathan Richardson of the University of California, Riverside. A ...

Join the celebration of International Astronomy Day by looking up at the spectacular southern night sky, engaging in exciting ...