Traversable wormholes… without exotic matter
According to string theory, hypothetical shortcuts through spacetime called wormholes, might well exist in our Universe. For those of you […]
Quantum nature of space challenged by observations
New observations have shown that the quantum structure of space, if there is any, is at much smaller scales than […]
Spacetime torsion: The end of major cosmological problems?
A cosmologist has shown that an already existing extension of general relativity may eliminate major problems in gravitational physics, and […]
Cosmological anomaly in the distant Universe?
Researchers have found that the Universe appears to be clumpier than predicted. This clumpiness, if not due to systematics, might […]
Classical gravity proven wrong?
In the early 1980’s, Mordehai Milgrom proposed that Newton’s law of gravity could be modified as a replacement for dark […]