What's creating this giant hole in space? At first glance the featured image looks like it could be a black hole, ringed by a field of stray moons. It isn't. It's a shadow, Earth's shadow, and the picture behind it... Continue Reading →
Every second, 149.6 million kilometers away, a colossal ball of plasma converts hydrogen into helium and quietly makes every form of life on Earth possible. Here's a rundown of the numbers behind our star. The basics The Sun is a... Continue Reading →
On August 12, 2026, the sky over Europe did something it hadn't done since 1999: it went dark in the middle of the day. A total solar eclipse swept across the Arctic, Greenland, Iceland, and northern Spain, giving mainland Europe... Continue Reading →
Venus is the closest planet to Earth in size and structure, yet it's arguably the most inhospitable place in the solar system. Here's what the science actually says about our nearest planetary neighbor. Almost Earth's twin, until you look closer... Continue Reading →
Earth's magnetosphere has a cusp, a funnel-shaped gap in its magnetic shield where solar wind particles can slip through, and it sits almost exactly where you'd expect: centered near local noon, roughly symmetric between morning and afternoon. It's one of... Continue Reading →
The newest, sharpest image ever taken of the Sun doesn't just look striking, it confirms something solar physicists have suspected for decades but never actually seen. Captured by the NSF Daniel K. Inouye Solar Telescope in Hawai'i, the world's largest... Continue Reading →
A total solar eclipse, the Perseid meteor shower, Venus at its brightest, and a deep partial lunar eclipse all light up the sky this month, according to NASA's August skywatching guide.
For decades, black holes have carried a simple reputation: cosmic vacuum cleaners that pull in everything nearby and never let go. New observations suggest that picture is incomplete, and a little too tidy. Astronomers led by Dr. Noel Castro Segura... Continue Reading →
In just a few weeks, NASA is set to launch one of the most anticipated observatories in decades. The Nancy Grace Roman Space Telescope is scheduled to lift off no earlier than August 30, 2026, aboard a SpaceX Falcon Heavy... Continue Reading →