What's up in
Mars Daily
Mars missions, rover discoveries, planetary science, exploration technology, and the people, agencies, and companies shaping humanity's next destination.
Mars Daily
People who keep old birthday cards, faded ticket stubs, and handwritten notes in a drawer they rarely open aren't sentimental hoarders, they're keeping proof that certain moments actually happened
Decluttering advice treats sentimental drawers as clutter, but psychology suggests those saved cards, stubs, and notes are doing quiet cognitive work — anchoring memory, stabilising identity across time, and providing evidence that certain moments actually happened.
On 1 June 1966, Surveyor 1 landed on the Moon and sent home 10,338 pictures in under two weeks
A meteorite that fell near the Australian town of Murchison in 1969 turned out to contain silicon carbide grains roughly 7 billion years old, meaning fragments inside that rock formed around dying stars more than 2 billion years before the Sun ignited
A rock on Mars nicknamed Cheyava Falls is speckled with 'leopard spots' — tiny rings of iron and phosphate that, on Earth, only form where microbes once lived, making it the strongest candidate for ancient life scientists have ever drilled
How did a hilltop sanctuary in southeastern Anatolia, built with 5-metre limestone pillars around 9600 BCE, predate Stonehenge by roughly 6,000 years without metal tools, pottery, or the wheel?
Olympus Mons on Mars rises about 22 kilometres above the surrounding plains but stretches roughly 600 kilometres wide, so a climber standing on its slope would see only a gentle rise in every direction and never realise they were on the tallest volcano in the solar system
In 1846, French astronomer Urbain Le Verrier predicted the position of an unseen eighth planet from irregularities in Uranus's orbit, and when he wrote to the Berlin Observatory, they found Neptune within a single degree of his coordinates on the very first night they looked
How does a coastal tree that grows with its roots in salt water store three to five times more carbon per hectare than the tropical rainforest inland from it?
A Martian day lasts 24 hours and 39 minutes, so close to Earth's that rover teams at JPL initially tried to live on Mars time, sliding 40 minutes later each day until crews were showing up to work in the middle of the Los Angeles night
Why does a concrete recipe used in Roman harbour walls two millennia ago grow stronger in seawater, while modern reinforced concrete built to the same purpose crumbles inside 50 years?
Why does draining a waterlogged carbon store that covers just 3 percent of land surface release more CO2 each year than the entire global aviation industry?
