Articles for category: Biology & Genetics, Ecology, Paleontology, Physics, Space

The North Star Isn't the Brightest Star — And It Won't Always Be North

The North Star Isn’t the Brightest Star — And It Won’t Always Be North

Annette Uy

Most people glance up at the night sky and spot what they believe is the brightest beacon shining down on them. They point confidently toward that brilliant light and declare it the North Star, the celestial compass that has guided travelers for centuries. But here’s the thing that might completely shatter your assumptions about our ...

northern lights over snow capped mountian.

What Makes the Northern Lights Glow?

Trizzy Orozco

Imagine standing under a velvet-black sky, your breath curling in the icy air, when suddenly shimmering ribbons of green and violet dance above your head. The northern lights—also known as aurora borealis—are one of nature’s most breathtaking spectacles. But behind their beauty lies a story as dramatic as the lights themselves, woven from the invisible ...

Blue-gloved hands hold a petri dish with bacterial colonies, showcasing a microbiology lab setting.

Are Space Samples Contaminated? How NASA Keeps Alien Material Sterile

Maria Faith Saligumba

Picture this: you’ve just spent seven years traveling through space, navigating through cosmic radiation, solar winds, and the vacuum of nothingness, all to collect a handful of ancient asteroid dust. Now imagine one tiny microbe from Earth sneaking aboard your spacecraft and contaminating that precious cargo. It’s the stuff of scientific nightmares, but it’s also ...

The Stuff We Left Stuff on the Moon — Including Golf Balls

What Does Moon Soil Smell Like? Odd Facts from Apollo Sample Labs

Trizzy Orozco

It’s hard to imagine a smell that’s out of this world—literally. But that’s exactly what happened when Apollo astronauts returned from the Moon and opened their sample containers back on Earth. The mystery of lunar soil’s scent has puzzled, amused, and inspired scientists and dreamers alike. Can you picture a laboratory suddenly filled with the ...

Mars as seen from afar.

Could We Survive on Mars? The Biggest Challenges of Colonizing the Red Planet

Trizzy Orozco

Mars, the fourth planet from the Sun, has long captured the imagination of scientists, writers, and explorers. The idea of human life on the Red Planet that lies millions of miles away from Earth seems simultaneously far-fetched and tantalizingly possible. But could we really survive there? As technology advances, this age-old question becomes more pressing ...

The Meteorite That Contains Building Blocks of Life

The Meteorite That Contains Building Blocks of Life

Andrew Alpin

Think about this for a moment. Nearly five billion years ago, mysterious rocks from space were already carrying the essential ingredients for life as we know it. These weren’t just any rocks. They were cosmic messengers, preserving within their ancient cores the very molecules that would eventually become the foundation of every living creature on ...

James Webb Telescope.

How the James Webb Telescope is Changing Our Understanding of the Universe

Trizzy Orozco

Since its successful launch on December 25, 2021, the James Webb Space Telescope (JWST) has been captivating scientists and space enthusiasts alike. As the most powerful telescope ever launched into space, JWST is set to revolutionize our understanding of the universe. From peering back in time to revealing the secrets of distant galaxies, the telescope ...

7 Times Space Junk Fell Back to Earth in the U.S.

7 Times Space Junk Fell Back to Earth in the U.S.

Annette Uy

The vast expanse above our heads isn’t as empty as it appears. Right now, over 34,000 pieces of space debris larger than a softball are hurtling around Earth at speeds of up to 17,500 miles per hour. Most of this cosmic garbage stays safely in orbit, but sometimes gravity wins the battle, and these metallic ...