Category: 7. Science

Dark energy is one of the most mysterious concepts in all of the cosmos. We know very little about what it is but it just might play an overwhelming role in the death of the universe. Often referred to as a cosmological constant, dark energy is…

Venus, our neighbor, has long teased astronomers by being the brightest planet in our night sky. That curiosity about what hides behind its twinkle prompted NASA scientists to send the Pioneer Venus Large Probe diving through the planet’s…

Ground-based telescopes have a fundamental problem that no amount of engineering can fix. They’re trying to observe the universe through Earth’s atmosphere, a constantly moving blanket of air that distorts and blurs incoming light. It’s…

Mars wasn’t always the bone-dry world we see today. A new study reveals the Red Planet experienced a series of ice ages, much like Earth, but with a twist.

Instead of regaining water with each cycle, Mars steadily lost it. And now, clues…

Two annual meteor streams are now active that have the potential to spawn dramatic fireballs in the weeks leading up to their November peaks.

As their names suggest, meteors from both the Southern Taurid and Northern Taurid meteor showers appear…

Hundreds of satellites may soon be flying in orbital regions that are already too packed to allow safe and long-term operations, a new study suggests.

The study found that, while in 2019 only 0.2% of satellites in Earth orbit were forced to…

About a year ago, a spacecraft named Hera took off with a huge task: help us figure out how to stop an asteroid from hitting Earth. It’s now roughly halfway to the Didymos asteroid system and, so far, the journey’s going better than…

Deep inside caves, water dripping from the ceiling creates one of nature’s most iconic formations: stalagmites. These pillars of calcite, ranging from centimeters to many meters in height, rise from the cave floor as drip after drip of…