The burst of energy seems to represent the event horizon of the supermassive black hole in M87 extending outwards, suggesting how black holes could “leak” energy.
Astronomers observe a galaxy’s magnetic field in the very early Universe
The galaxy 9io9 is seen as it was when the cosmos was just 2.5 billion years old, making this the earliest galactic magnetic field ever observed.
Understanding gravitational waves: Ripples in spacetime explained
The universe is ringing with gravity, but humanity is only just beginning to hear the nuance of this cosmic symphony.
Time ran slowly in the early Universe, just as Einstein predicted
Using quasars as ticking cosmic clocks, scientists took a journey back in time, discovering time progressed five times slower just after the Big Bang.
Pulsars and giant black holes open new doors in cosmic archaeology
A 15-year study using observed radio signals from the 67 pulsars has concluded that the entire cosmos is filled with undulating gravitational waves.
Atoms vs apples: How quantum effects challenge gravity’s rules
New research reveals that quantum effects defy the universality of free fall, providing a potential experimental pathway to test quantum gravity.
The surprising influence of shape on twisted graphene
Scientists are exploring the behavior of electrons in helicoidal graphene strips, a unique form of graphene with a twisted shape.
Modified theory of gravity eliminates the need for dark energy
Many physicists are still skeptical that dark energy can fully explain gravity, and are therefore exploring alternative theories.
String theory may offer an alternative to dark energy
A new study evaluates gravity using string theory, a promising candidate for describing particle interactions at their most fundamental level.
Could black holes be dark energy?
Astronomers looking at how black holes grow over time may have found the answer to one of the biggest problems in cosmology.