The LIFE mission would feature four space telescopes acting together to search for biosignatures on rocky planets in the ...

How big is the universe? Could it be infinitely large? If the universe has an edge, what is beyond the edge? And if the universe had a beginning, what was going on before that? Our experience of ...

The physical nature of dark energy is presently unknown. "DESI data tells us about how the size of the universe has grown over time. We can relate the rate at which it is growing directly to the ...