Clear science for curious people
Long Reads

Deeper reporting,
thinking made visible.

Longer essays and features from Science Blog. Pieces here go through additional research and review.

Space

Scientists who read 16 years of radio tracking from three Mars orbiters say the mantle beneath the planet's southern highlands runs 200 to…

The tracking shows Mars deforming in a way a uniform planet should not, and the least strained explanation is a hemisphere of mantle that something is still keeping warm.

Sep 5, 2026