Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

A new software package detailed by Chinese scientists promises to tell what time it is on the moon, accounting for effects of ...

There’s an adage coined by [Ian Betteridge] that any headline ending in a question mark can be answered by the word “No”.

The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

The answer comes from a counterintuitive result of special relativity, a field of physics which is notoriously difficult to ...

China has quietly solved a problem that only becomes obvious once you try to live and work off-world: clocks on the moon do ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Scientists propose a new gravity theory using Friedmann equations. Their model explains the universe’s accelerating expansion ...

Why the universe is expanding faster and faster remains one of the biggest open questions in physics. Current theories cannot ...

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...