Unknown Knowledge

The soft glow in this image is NGC 2768, an elliptical galaxy located in the northern constellation of Ursa Major (The Great Bear). NGC 2768 appears here as a bright oval on the sky, surrounded by a wide, fuzzy cloud of material.

This image taken by the Solar Dynamics Observatory's Atmospheric Imaging Assembly (AIA) instrument at 171 Angstrom shows the current conditions of the quiet corona and upper transition region of the Sun.Image Credit: NASA/SDO...

A mixture of plant oils, bacterial spores and ozone is responsible for the powerful scent of fresh rain

A learning algorithm, coupled with brain scans, was able to predict the images seen by dreamers with a 60 percent accuracy

To celebrate the 2013 Bafta Film Awards, film critic Barry Norman has chosen his 49 best British Films of all time for a special Radio Times supplement available in this week’s issue (on sale from Tuesday 5 February).

The word luck is one of the most misused and misunderstood terms in the English language. Here is the Oxford English Dictionary definition of luck: Success or failure apparently brought by chance r...

Aesthetician If you’re not sure which spelling is correct, aesthetician or esthetician, you might be surprised that neither is the original. The word

Should sending Thank you emails and leaving voice mails now be considered bad manners? Some think texting has made it so.

In the Oxford Dictionary of National Biography you’ll currently find biographies of 6340 women who’ve shaped British history and culture between the 1st and 21st century — making it one of the most extensive accounts of women’s contribution to...

Titan's northern seas could have winds raging as high as 44 miles an hour.

The story of a dragon-slaying hero is legendary, but how much do we really know about the man behind the myth? If little else is certain about St George, we can be sure of one thing - he's a man with plenty of back story!

A few weeks ago I decided to try out a system for accelerated language learning that I've been musing about for years.

A photographer painstakingly pieces together raw data collected by spacecraft to produce color-perfect images of the Sun, planets and their many moons

The vaunted Staunton Chess Set, the standard chess set you probably grew up with, has its roots in neoclassical architecture

Losing hearts at first sight, soul-entwining partnerships that only death do part...the complexities and mysteries of romantic feelings have been considered by great poets and writers for centuries.

The Pioneer 11 spacecraft launched from Cape Canaveral forty years ago, on April 5, 1973.

What does it mean to be “addicted” to your favorite team?

By Bart van Es The death of Richard Burbage in 1619 caused a minor scandal. So lavish was the outpouring of grief that it threatened to overshadow official mourning for Queen Anne who had died a few days before.