Which is currently the most supported theory about the future of the universe? the universe could remain exactly as it is today. the universe may continue to expand. stars could burn out, causing the universe to become dark and cold. gravity could pull galaxies back together, causing a reverse of the big bang.

The universe may continue to expand.

Explanation:

Scientists believe that the universe still has more room for expansion,thus it will expand in future.Edwin Hubble studies on galaxies and universe concluded that the position the furthest galaxies is a function of their distances and that the universe is expanding.The "dark energy" theory seconded Hubble's idea by describing the anti-gravity forces that  originate from the empty space in the universe causing matter to repell each other and move far apart,expanding.

(B)The universe may continue to expand

Explanation:

newton's first law of motion