What Are Gravitational Waves?
Einstein predicted over a hundred years ago the existence of gravitational waves. Now a team of over 1,000 scientists have confirmed their existence.
Charles Darwin In His Own Words
Some collected letters and observations from the great naturalist, Charles Darwin.
There May Be a Ninth Planet (And It’s Not Pluto)
Caltech astronomer Michael Brown has proposed the existence of a ninth planet, the existence of which would explain the strange orbits of six KBOs.
The Ever-Evolving Periodic Table of Elements
Four new elements--113, 115, 117, and 118--have been added to the periodic table. But the search for new elements hasn't always been so systematic.
Dear Paleoanthropology, Homo Naledi Just Shifted Your Paradigm
A new fossil human ancestor has made its way into the media spotlight, and it’s causing quite a ruckus.
The Art of Observing Weather on Distant Planets
Exoplanetary meteorology enables scientists to determine weather patterns on planets too far for direct observation.
General Relativity 100 Years On
Einstein's groundbreaking theory of general relativity has remained an essential hallmark of modern physics.
Were Hobbits Real?
New research suggests that a distinct species, dubbed "hobbits", existed between 17,000 and 95,000 years ago.
I ❤ Physics: A Love Story
I could not bring myself to accept string theory’s claim, often presented as a scientific fact, that there are exactly 11 dimensions.
The Threat of Solar Flares
Solar flares are highly unpredictable and difficult to anticipate. But their threat is very real.