SCIENCE

The full-field image of MACSJ0717.5+3745 shows many thousands of galaxies in four separate sub-clusters…

NASA’s only flagship X-ray telescope ever, Chandra, still works and has no planned successor.…

In the very early Universe, there were tremendous numbers of quarks, leptons, anti-quarks, and…

If the Earth had the misfortune to either encounter a black hole or simply…

The “dead” galaxy JADES-GS-z7–01-QU, whose light comes to us from just 700 million years…

We can imagine that there’s a mirror Universe to ours where the same rules…

Fred Hoyle was a regular on BBC radio programs in the 1940s and 1950s,…

From whatever pre-existing state started it, inflation predicts that a series of independent universes…

As Earth orbits around the Sun, it rotates on its axis. At the present…

If the light from a parent star can be obscured, such as with a…