Unknown Knowledge

Data from Chandra hints that asymmetry in the Kepler supernova remnant may be caused by an iron "shadow" from a companion star.

What caused this outburst of V838 Mon? For reasons unknown, star V838 Mon's outer surface suddenly greatly expanded with the result that it became the brightest star in the entire Milky Way Galaxy in January 2002.

Spring is fast approaching, and with this comes new life (in the animal and plant world anyway), so what better season than spring to launch our fantastic

The leader of the Catholic Church is champions of poor, yet remains socially orthodox.

Did members of a powerful society of warlocks actually murder their enemies and kidnap children

The concept of zero, both as a placeholder and as a symbol for nothing, is a relatively recent development.

The Red Planet was habitable long, long ago, scientists say.

The NASA/ESA Hubble Space Telescope took this striking space wallpaper of the planetary nebula NGC 5189. The intricate structure of the stellar eruption looks like a giant and brightly coloured ribbon in space.

The Russian nanosatellite was struck on Jan. 22 by space junk from China's 2007 anti-satellite weapon test.

A young donkey was carefully buried more than 3,500 years ago with a copper bridle bit in its mouth and saddle bags on its back.

A new study has used Chandra X-ray Observatory data to identify what triggered the famous Kepler supernova explosion.

March 17: Queen Elizabeth II opened the brand new London Bridge on this day in 1973

The long-sought "God particle" is what gives mass to other matter.

A team of Chinese physicists has put a speed limit on quantum interactions.

This image was taken by the High Resolution Imaging Science Experiment (HiRISE) flying onboard the Mars Reconnaissance Orbiter mission. Gully landforms like those in this image are found in many craters in the mid-latitudes of Mars.

March is the annual celebration of National Women's History Month.In this image from Jan.

Physicists have tentatively detected several particles that could reveal how radioactive heat inside the earth could influence earthquakes

Find out how much you know about some of the goofiest Mars claims.

The first spacecraft to orbit Mercury will have to shut down soon, unless it gets a mission extension.

ESA Navigation homepage, features the latest news on space-based navigation systems and Galileo and EGNOS