Ax-4 joins the International Space Station

On 26 June 2025 ESA project astronaut Sławosz Uznański-Wiśniewski from Poland and his crewmates arrived to…

By Air and by Sea: Validating NASA’s PACE Ocean Color Instrument

In autumn 2024, California’s Monterey Bay experienced an outsized phytoplankton bloom that attracted fish, dolphins, whales,…

Disc galaxies: thick and thin

Present-day disc galaxies often contain a thick, star-filled outer disc and an embedded thin disc of…

Announcing Mark Gelfand as the recipient of…

We are pleased to announce that Mark Gelfand is the first recipient of the C. Wallace…

Mega comet Bernardinelli-Bernstein is erupting with jets

Artist’s concept of Comet Bernardinelli-Bernstein. Astronomers have spotted the mega comet shooting out jets of carbon…

ESA – Topography of Arcadia Planitia

This colour-coded topographic image of Mars shows Arcadia Planitia in Mars’s northern lowlands. It was created…

Save NASA Science Campaign progress report

When I wrote the advocacy update for the June issue of the Planetary Report, I could not…

Use of 430-440 MHz by AST SpaceMobile constellation

Image by PE0SAT of 435.900 MHz downlink received Sept 12, 2024 AST & Science LLC (AST…

Small satellite revolution in Earth observation: what it means for industry and users

ESA’s Living Planet Symposium, one of the world’s leading Earth observation conferences, opened on 23 June…

New ESA gravity mission to detect weakening ocean conveyor

Applications 26/06/2025 21 views 0 likes At the Living Planet Symposium, attendees have been hearing how…