mars – The Loh Down On Science

Vacation on Mars?

May 26, 2025 Julie Loritsch

Sun, sand, and…sedimentary rock?! This is Sandra Tsing Loh with the Loh Down on Science. Imagine going to the beach and… dude where’s my ocean?! That’s what Jianhui Li and an international team just discovered on Mars! We’ve long suspected parts of Mars were once underwater, but lacked evidence. Enter

Mars Water

January 27, 2025 Johnny Boutros

Is there life on Mars? This is Sandra Tsing Loh with the Loh Down on Science saying… Sorry David Bowie, probably not, but there was water – billions of years ago. But how do we know? Why does it matter? Jack Gillespie and colleagues from Curtin University probed for answers.

Cosmic Concrete

June 13, 2023 Claire Freimark

Going to Mars! First just needa hit 7/11. This is Sandra Tsing Loh with the Loh Down on Science. Scientists are starting to think about how humans could live on other planets. We’ll need houses, but what can we build them with? There are no hardware stores there… . We’ll

Red Planet, Blue Planet

July 6, 2021 Heidi Waite

Image of astronaut with red mountains behind him.

Mars is the RED planet … right? This is Sandra Tsing Loh with the Loh Down on Science. Snaps from NASA’s Perseverance rover show a dry, dusty red landscape. But Mars used to be BLUE with water! Possibly as much as half the Atlantic Ocean. Where’d it go? Enter Eva

Martian Air

June 2, 2020 Alex Jarnot

Summertime, and breathin’s easy… on Mars! This is Sandra Tsing Loh with the Loh Down on Science. Like Earth, Mars has seasons. As the seasons change, so does its air. But, there’s something strange happening in the atmosphere, and we don’t know why… Melissa Trainer and a group of NASA

Red Planet Blues

August 13, 2019 Evelyn Hoover

Everyone into the pool!…on MARS? This is Sandra Tsing Loh with the Loh Down on Science. A long time ago, in a galaxy not at all far away, Mars was super wet. How wet? About twenty-percent covered in liquid! But now our Red Planet is dry and dusty. Where did

Martian Gardens

November 2, 2018 Loh Down Staff

We’ve all heard of “farm to table”—But what if your table is on Mars? This is Sandra Tsing Loh with the Loh Down on Science. It’s hard to get fresh veggies in space. But future colonists will need them for long-term survival. Enter researchers from Wageningen University in The Netherlands.