What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the ...

Your browser does not support the audio element. You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and ...

As always, make sure to catch up on our SETI AIR’s news and events. The SETI AIR program is delighted to welcome Adrien Segal ...

The interstellar object 3I/ATLAS was discovered on July 1, 2025. There is currently no evidence to suggest that it is anything other than a natural astrophysical object. However, given the small ...

In November, SETI Institute researchers contributed expert perspective to media stories on interstellar comet 3I/ATLAS and recent experiments testing the survival of plant life in space. The coverage ...

These polar dunes on Mars show both carbon dioxide frost (the white colored areas) along with darker material that’s been exposed due to sublimation, and is blown by the wind to form these dark spots.

Saturn’s icy moon, Enceladus. Image credit: dottedhippo, Getty Images. Cassini’s extended mission enabled measurements of winter–summer temperature differences Thermal anomalies at the north pole ...

The SETI Institute’s Artist in Residence (AIR) program announced that American artist Adrien Segal is the recipient of the Planetary Futures Public Art Residency. This research-creation residency ...

December 10, 2025, Mountain View, CA -- For 10 months, a SETI Institute–led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal "twinkles" as it passes through gas ...

Astronomers using ESO’s Very Large Telescope in Chile have captured this eye-catching image of planetary nebula Abell 33. Created when an aging star blew off its outer layers, this beautiful blue ...

Sub-Neptune exoplanets tend to be much closer to their host star than Earth is to the Sun and are thought to have atmospheres made of steam over layers of an exotic phase of water that behaves like ...