Something Big Is Twisting Mercury’s Crust
Mercury has it rough. Not only is it the smallest planet in the solar system, it’s also the closest to our Sun. This unfortunate position has caused Mercury to develop…
Solar Orbiter Captures First Clear Views of Sun’s South Pole—and It’s a Hot Mess
For more than 60 years, various spacecraft and telescopes have journeyed through space to stare at the Sun, capturing haunting images of the giant ball of hot gas at the…
Solar Storm Threat Is Back as Giant Sunspot Cluster Reappears
It’s back! After unleashing the strongest geomagnetic storm in more than 20 years, the notorious sunspot cluster AR3664 is once again visible and still spewing copious amounts of radiation into…
Still Have Your Eclipse Glasses? Use Them to Look at This Massive Sunspot
The Sun is a hot mess right now. Solar maximum is fast approaching, and a giant dark spot on the surface of the Sun keeps growing while spewing radiation out…
The Ancient Egyptians May Have Seen the Milky Way as a Celestial Deity
The massive galaxy that houses our star system, along with hundreds of billions of other stars, appears as a shimmery splotch stretching across our night skies on clear, moonless nights.…
Cloudy for the Eclipse? Here’s What You Can Still See
The Great North American Eclipse is happening Monday, but given the latest weather forecasts, many people across the continent will look up and see nothing but clouds. Should that be…