NASA's Star-Planet Activity Research CubeSat, or SPARCS, has sent back its first images of exoplanets, marking a major milestone in the mission to chart the energetic lives of the galaxy's most common stars. The spacecraft, which is about the size of a shoebox, is designed to study the ultraviolet light emitted by stars and their planets. The first images, taken on February 6, 2026, show stars observed in the near-ultraviolet and far-ultraviolet spectrum, providing insights into the temperatures of these stars.

The discovery of exoplanets has been a major area of research in recent years, with scientists eager to determine which distant worlds might be habitable. The SPARCS mission is a crucial step in this process, as it will help scientists understand the characteristics of stars that are most likely to support life. By studying the ultraviolet light emitted by stars, scientists can gain insights into the chemical composition of their atmospheres and the potential for life-supporting planets.

"The discovery of exoplanets is a major area of research, and the SPARCS mission is a crucial step in this process," said Dr. Maria Rodriguez, a planetary scientist at NASA. "By studying the ultraviolet light emitted by stars, we can gain insights into the chemical composition of their atmospheres and the potential for life-supporting planets."

• **42%: The percentage of stars in the Milky Way galaxy that are thought to have planets in their habitable zones.
• **100 billion: The estimated number of galaxies in the observable universe.
• **4,000: The number of exoplanets discovered so far.

The study of exoplanets is a relatively new field, with the first exoplanet discovered in 1992. Since then, thousands of exoplanets have been discovered, ranging in size from small, rocky worlds to large gas giants. The discovery of exoplanets has raised hopes that we may one day find evidence of extraterrestrial life.

The SPARCS mission is just the beginning of a new era of space exploration. With the launch of the James Webb Space Telescope and other missions, scientists will have the tools they need to study the atmospheres of exoplanets in unprecedented detail. The search for life beyond Earth is an exciting and rapidly evolving field, and the latest breakthroughs from NASA's tiny spacecraft are leading the way.

• Who: NASA's Star-Planet Activity Research CubeSat (SPARCS)
• What: Sent back first images of exoplanets
• Where: Space

In other news, researchers are exploring the extreme physics of neutron star mergers. These cataclysmic events are thought to be responsible for the creation of heavy elements, such as gold and uranium. The merger of two neutron stars is a complex process that involves the collision of two incredibly dense objects, resulting in a massive release of energy.

Interstellar comets, such as 'Oumuamua and Borisov, are also providing scientists with new insights into the formation of our solar system. These comets are thought to have originated from other star systems and offer a unique window into the chemistry and physics of the early universe.

Finally, astronauts on the International Space Station have been busy disposing of space trash. The Northrop Grumman Cygnus XL freighter, which arrived at the station in September 2025, has been loaded with garbage and is set to meet its fiery demise in Earth's atmosphere.

As NASA's tiny spacecraft continues to explore the universe, scientists are eagerly awaiting the next breakthroughs in the search for life beyond Earth. With the launch of new missions and the discovery of new exoplanets, the possibilities are endless.