esa

Solar Orbiter Takes a Mind-Boggling Video of the Sun

You've seen the Sun, but you've never seen the Sun like this. This single frame from a video captured by…

3 weeks ago

Watch a Satellite Reaction Wheel Melt in a Simulated Orbital Re-Entry

Most satellites share the same fate at the end of their lives. Their orbits decay, and eventually, they plunge through…

1 month ago

Phew, De-Icing Euclid’s Instruments Worked. It’s Seeing Better Now

From its vantage point at the Sun-Earth L2 point, the ESA's Euclid spacecraft is measuring the redshift of galaxies with…

2 months ago

Ice is Starting to Cloud Euclid's Optics

On July 1st, 2023, the European Space Agency (ESA) launched the Euclid Observatory, a mission that will spend the next…

2 months ago

An Astronaut Controls a Robotic Dog From Orbit

Swedish astronaut Marcus Wandt took control of a series of robots in Germany while on board the International Space Station,…

4 months ago

The Ice Sheet on Mars is Even Thicker Than Previously Believed

Maybe Mars isn’t as dry as we thought. ESA's Mars Express has revealed new details about a region near Mars’…

4 months ago

This Alien Landscape is Actually a Microscopic View of an Atomic Clock

Navigation satellites couldn't accomplish anything without extremely accurate clocks. But a regular clock won't do. Only atomic clocks are accurate…

4 months ago

ESA Gives Us a Glimpse of its Future Space Exploration Plans with a Cool New Video

The European Space Agency (ESA) has made incredible contributions to space exploration and space-based science. Last year, the agency launched…

5 months ago

Cool New Mission Trailer for Rosalind Franklin Rover

ESA's Rosalind Franklin Mars rover has been delayed twice due to problems with its parachute deployment and Russia's invasion of…

5 months ago

A Planetary System With Six Sub-Neptunes Locked in Perfect Resonance

Researchers using TESS and Cheops data found a system with six sub-Neptune-sized planets, all orbiting in direct resonance with each…

6 months ago