

Mystery Solved: BlackHole
StartFragment A 30-year-old mystery about black holes has just been solved. The story starts in the 1980s, when astronomers found that...


Einstein's Theory of General Relativity
StartFragment In 1905, Albert Einstein determined that the laws of physics are the same for all non-accelerating observers, and that the...


5 Reasons We May Live In Multiverse
StartFragment The universe we live in may not be the only one out there. In fact, our universe could be just one of an infinite number of...


Is Our Universe A Fake?
StartFragment I began bemused. The notion that humanity might be living in an artificial reality — a simulated universe — seemed...


Galactic Lenses Confirm Universe’s Age, Size
StartFragment The size and age of the universe, as well as how fast it is expanding, has been confirmed with a new, precise method that...


Mysterious Dark Energy May Not Exist
StartFragment The universe may not be expanding at an accelerating rate after all, meaning that mysterious "dark energy" might not...


How was earth formed?
StartFragment Although planets surround stars in the galaxy, how they form remains a subject of debate. Despite the wealth of worlds in...


Incoming! How NASA and FEMA Would Respond to an Asteroid Threat
StartFragment It's a scary scenario: an asteroid headed for Earth, just four years away from slamming into our home planet. It may be too...


A Long-Lost Gas Cloud Will Slam into Our Galaxy in 30 Million Years
A massive cloud of gas will crash into the Milky Way in about 30 million years, but there's no real danger to our home galaxy, NASA says....


What Exist Outside The Universe?
Introduction (*Please refer to the glossary at the end of the article for help with bold, italicized terms.) It is difficult to escape...