Is there a giant planet hiding in the outer solar system? Some astronomers think so. Since 2016, evidence has been building for a massive body pulling at distant icy objects,…
In the early days of interplanetary exploration, the Soviet Union’s Venera program was pushing the boundaries of what spaceflight could achieve. On November 16, 1965 — just four days after…
Early Life and Journey to Astronomy Williamina Paton Stevens Fleming was born on May 15, 1857, in Dundee, Scotland. From humble beginnings, her early life was marked by a drive…
We often hear that quantum entanglement is “instantaneous” — spooky action at a distance, Einstein called it. Today some scientist are claiming it has a speed — about 10,000 times the…
On August 27, 1962, NASA launched Mariner 2, a mission that would mark a major milestone in human space exploration. Just under four months later, on December 14, 1962, it…
John Flamsteed, the first Astronomer Royal of England, revolutionized observational astronomy in the 17th century by producing the most accurate star catalog of his time. His meticulous work laid the…
As the weather warms up and skies get clearer, it’s time to give your telescope some TLC. After a long winter, dust, smudges, or spiderwebs may be affecting your gear.…
On November 12, 1965, the Soviet Union launched Venera 2, its second attempt at sending a spacecraft to Venus. As part of the ambitious Venera program, Venera 2 was launched…
James Bradley was an English astronomer whose discoveries advanced our understanding of the motion of celestial objects and the dynamics of Earth’s place in the cosmos. As the third Astronomer…
When we look up at the Moon, it’s impossible not to notice all those scars — craters covering almost every visible surface. Compare that to Earth, where you have to…