But new evidence indicates that dark ... background and the observation of supernovae, indicate that dark energy’s effect is diminishing with time. “This is the biggest hint we have about the ...

The dominating form of energy in the cosmos, dark energy is driving the accelerating expansion of the universe, but its nature remains a complete mystery. Dark energy is a hypothetical form of ...

Ars' Edge of Knowledge series looks at important aspects of our Universe that we still understand poorly, like dark matter and the origin of life. This week, our host, Paul Sutter, bravely ...

The observed distribution fluctuations provide better constraints on the nature of dark matter ... bending the path of light from the background object and making a lensed image.

Despite making up most of the matter in the universe, dark matter doesn't interact with light. So how do astronomers know it is there? In April 2023, scientists from the Atacama Cosmology ...

The color purple is this month’s subject for the Reader’s Photo Challenge. It can range from a gentle lilac to a rich royal purple. Some readers found their colors in nature while others ...

An exotic colour at the far end of our visible spectrum and often associated with royalty, purple is relatively rare in nature. But some vibrant plants ... Only male purple emperors are purple - the ...

Purple, a color often associated with royalty ... Red and blue shouldn't ever turn up side by side in nature without the bridging colours. But in electronic lighting, digital displays, or pigments ...