time
‘The Clocks are Telling Lies:’ A New Book from Universe Today Writer Scott Alan Johnston
Scott Alan Johnston (that's me!) joined the Universe Today team just over a year ago. Since then, I've written over…
There’s a new record for the shortest time measurement: how long it takes light to cross a hydrogen molecule
To measure small differences in time, you need a really tiny clock, and researchers in Germany have discovered the smallest…
Next Time You’re Late To Work, Blame Dark Energy!
A team of Armenian researchers has proposed a new answer to why time only moves in one-direction: it's all because…
How Long is a Day on Earth?
I'm going to ask you how long a day is on Earth, and you're going to get the haunting suspicion…
Don’t Look At Black Holes Too Closely, They Might Disappear
We've come a long way in 13.8 billion years; but despite our impressively extensive understanding of the Universe, there are still…
What Came Before the Big Bang?
Astronomers are pretty sure what happened after the Big Bang, but what came before? What are the leading theories for…
What Time is It in the Universe?
Check your watch, what time is it? But wait, you've actually been moving and accelerating, and according to Einstein, everything's…
Does Light Experience Time?
Have you ever noticed that time flies when you're having fun? Well, not for light. In fact, photons don't experience…
Let’s Put a Sailboat on Titan
The large moons orbiting the gas giants in our solar system have been getting increasing attention in recent years. Titan,…
Do We Really Need Dark Matter?
Hubble mosaic of massive galaxy cluster MACS J0717.5+3745, thought to be connected by a filament of dark matter. Credit: NASA, ESA,…