6,000 Exoplanets and Counting
On September 17, 2025, NASA announced that the number of exoplanets, planets outside our solar system, tracked by NASA has reached 6,000. In the three decades since the groundbreaking detection of exoplanet 51 Pegasi b, the first confirmed planet orbiting a Sun-like star, astronomers have concluded that exotic worlds are everywhere.


Small Steps, Giant Leaps: Episode 162: 6,000 Exoplanets and Counting

On episode 402, NASA’s all-American 2025 astronaut candidates share a little about themselves by playing a fun icebreaker game. 

Houston We Have a Podcast: On a Desert Island with the 2025 Class of Astronaut Candidates

Seas of the Sun is a film about a bold science mission and the people who made it possible. Hosted by Space Rocks founder and producer and co-director on Seas of the Sun, this series was produced by Philip Wilding, and with music by Karlotta Skagfield.

Missions notes episode 2: The science of Cluster, with Science Operations Support scientist Matt Taylor and Lucile Turc of the University of Helsinki. We explore the world of heliophysics and Cluster’s contributions to this burgeoning field of study.

See the full film on 30 October 2025: https://www.youtube.com/europeanspaceagency

Learn more about the making of Seas of the Sun: http://www.spacerocksofficial.com

Missions notes episode 2: The science of Cluster

The pre-launch roll call for the launch of the Copernicus Sentinel-1D satellite at ESA's ESOC mission control centre

Sentinel-1D RollCall

The pre-launch roll call for the launch of the Copernicus Sentinel-6B satellite at ESA's ESOC mission control centre

Copernicus Sentinel-6B RollCall

There’s a program at NASA that taps into the power of the public to solve some of the toughest problems in space exploration. It’s called Centennial Challenges, a prize competition that has awarded more than $24 million to hundreds of people ranging from academics, startup founders, small business owners, and independent inventors from across the U.S. and 86 countries.

Small Steps, Giant Leaps: Episode 163: NASA's Centennial Challenges Prize Program Small Steps, Giant Leaps

Dr. Jennifer Edmunson explains what it takes to simulate Moon and Mars dust on Earth, and lessons learned from preparing to build habitats on other worlds.

Small Steps, Giant Leaps: Episode 164: Simulating Moon and Mars Dust

A solar sail uses light particles from the Sun to move through space without needing a single drop of fuel. NASA is demonstrating the lightweight technology that could open doors to low-cost missions to deep space.

Small Steps, Giant Leaps: Episode 165: Sailing the Solar System

Descubre cómo las investigaciones científicas y demostraciones de tecnología a bordo de nuestro laboratorio en órbita nos benefician a todos aquí en la Tierra, al tiempo que nos ayudan a prepararnos mejor para la exploración de la Luna y Marte con seres humanos, mediante nuestra campaña Artemis.  

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