In 1936 astronomers watched as FU Orionis, a dim star in the Orion constellation, brightened dramatically. The star's brightness increased…
Like a performer preparing for their big finale, a distant star is shedding its outer layers and preparing to explode…
Some binary stars are unusual. They contain a main sequence star like our Sun, while the other is a "dead"…
In recent years, astronomers have developed techniques to measure the metal content of stars with extreme accuracy. With that capability,…
When we think of exoplanets that may be able to support life, we hone in on the habitable zone. A…
TESS, the Transiting Exoplanet Survey Satellite has been on the lookout for alien worlds since 2018. It has just hit…
Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event. That allowed multicellular…
Astronomers have solid evidence for the existence of stellar-mass black holes and supermassive black holes. However, evidence for Intermediate Black…
Although stars are enormous, they're extremely far away, and appear as point sources in telescopes. Usually, you never get to…
Humanity's been fortunate to have a star situated over Earth's north pole. The star, known as Polaris, or the North…