Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. How can a Big Bang have been the start of the ...

The idea, put forth by Juan Maldacena of the Institute for Advanced Study in Princeton, N.J., suggested something profound: that our universe could be a hologram. Much like a 3D hologram emerges from ...

"These small galaxies punch well above their weight." Evidence continues to assemble that dwarf galaxies played a larger role in shaping the early universe than previously thought. Astronomers ...