Some asteroids are more dangerous than others, according to a report issued this week in Nature Astronomy by an international team of researchers, led by astrophysicist Auriane Egal of the Montreal ...

Under the tropical skies of Puerto Rico, a new observatory joined the LaserSETI Network, expanding the SETI Institute’s ability to search for technosignatures. Bringing cutting-edge instruments to an ...

Mars Discovery Raises Compelling Questions: Life or Chemistry? Results from NASA’s Perseverance rover reveal organic molecules, unusual minerals, and intriguing rock textures inside Jezero Crater’s ...

Have scientists discovered an alphabet in whale calls? As researchers try to decipher the series of clicks made by sperm whales, we ask whether these cetaceans might have language, and if it follows ...

October belongs to Comet C/2025 A6 (Lemmon). This comet is expected to brighten dramatically, potentially reaching naked-eye visibility around its closest approach to Earth on October 21st (with ...

P. Jenniskens, SETI Institute and NASA Ames Research Center; and M. Breukers and C. Johannink, Cameras for Allsky Meteor Surveillance (CAMS), BeNeLux, report that the chi Cygnids meteor shower (IAU ...

Astronomers studying the distant reaches of our Solar System have identified an unusual trans-Neptunian object (TNO) locked in a rare orbital configuration with Neptune. The object, discovered through ...

Jacob Kegerreis/Thomas Sandnes/Durham University. A new paper led by Dr. Thomas Sandnes, Durham University, and co-authored by an international team of scientists, including SETI Institute Affiliate, ...

Claudio Maccone, Italian SETI astronomer and mathematician, passed away this week at the age of 77. Claudio was an early proponent of SETI research and was globally known for his work in the field. A ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Astronomers using the James Webb Space Telescope (JWST) have reported a potential detection of a Saturn-like exoplanet orbiting Alpha Centauri A: the closest Sun-like star to Earth, located just over ...

This artist’s concept depicts the NISAR satellite in orbit over central and Northern California. The spacecraft will survey all of Earth’s land and ice-covered surfaces twice every 12 days.