When NASA launched the Pioneer probes, they were met with an intriguing mystery. At around 20 astronomical units, both ...

Dark energy remains one of the most stubborn puzzles in modern science. Despite decades of observation and increasingly ...

Military dominance of space will almost certainly lead to military dominance on Earth.

Dark energy is still one of the greatest cosmic mysteries. For all the time, money and telescopes that humanity has used to ...

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.

Social media is flooded with claims that Earth will briefly lose gravity next year. From ‘Project Anchor’ to black holes, ...

Scientists aim to build the first graviton detector to explore gravity's quantum nature, despite significant challenges.

"Stars like the sun don’t just stop shining for no reason." ...

From the wish-granting jinn of Arabian folklore to the shadow people of Inuit mythology, creatures possessing the fantastical ...

Time is a straightforward concept - or is it? The passing of minutes and years isn't as easy to explain as many assume.

Quantum theory has long treated time as a silent backdrop, a parameter that never jitters even as particles flicker in and ...

"These results from the Dark Energy Survey shine new light on our understanding of the universe and its expansion." ...