Articles for category: Physics, Space

The Universe Is Full of Sounds We Can't Hear, But Scientists Can

The Universe Is Full of Sounds We Can’t Hear, But Scientists Can

Kristina

You might think space is silent. After all, we learned in school that sound can’t travel through a vacuum. That’s technically true, but here’s the thing: the universe is absolutely teeming with sounds that we humans simply can’t perceive. The cosmos hums, whistles, chirps, and roars in ways that would blow your mind if only ...

earth moon water sun

How Space Samples Changed Our Understanding of Earth’s Water Origins

Maria Faith Saligumba

Have you ever wondered how our blue planet got its vast oceans? The answer might literally be written in the stars. In the last decade, space missions returning with precious samples from asteroids, comets, and even our Moon have completely revolutionized our understanding of where Earth’s water came from. These cosmic treasures are rewriting textbooks ...

A close-up of assorted pills and supplements arranged on a marble surface, highlighting healthcare and wellness themes.

Extraterrestrial Amino Acids: Do They Mean Life Is Common in the Universe?

Maria Faith Saligumba

Picture this: you’re holding a small, dark rock that fell from space. Unbeknownst to the naked eye, this seemingly ordinary meteorite contains something extraordinary—the very building blocks of life. For decades, scientists have been finding amino acids, the molecular ingredients of proteins, inside these cosmic messengers. But what does this discovery really mean for the ...

We Are All Stardust: The Cosmic Origins of Everything Around Us

We Are All Stardust: The Cosmic Origins of Everything Around Us

Andrew Alpin

You might think that the chair beneath you and the air you’re breathing have little in common with the glittering stars filling the night sky. Perhaps it’s hard to imagine that the atoms making up your own body once existed inside stars that burned billions of years ago. Yet here’s the truth. You, this planet, ...

Could Alien Material Be on Earth? Here's What We Know

Could Alien Material Be on Earth? Here’s What We Know

Sumi

If you’ve ever stared up at the night sky and wondered whether any piece of it has actually landed here, you’re not alone. The idea that fragments from distant stars or even alien technology might be lying somewhere on our planet is both thrilling and a little unsettling. It turns the ground under our feet ...

Earth's Core Is More Mysterious Than the Far Side of the Moon

Earth’s Core Is More Mysterious Than the Far Side of the Moon

Kristina

You might think we know our own planet better than anything else in the cosmos. Here’s the thing, though: we’ve mapped the far side of the Moon in stunning detail, sent probes billions of kilometers into interstellar space, and even imaged black holes millions of light years away. Yet the center of our own planet ...

Some Planets in Our Solar System Have Rains of Diamonds and Glass

Some Planets in Our Solar System Have Rains of Diamonds and Glass

Sumi

Imagine standing under a storm where the raindrops are not water, but glittering diamonds or sharp shards of glass. It sounds like something out of a sci‑fi movie, but for some worlds in our solar system, this kind of weather may be completely normal. The deeper astronomers look into the atmospheres of giant planets and ...