Red dots are the Orionids, blue dots are the Taurids meteor showers. Electronic Telegram No. 5758 Central Bureau for ...

This week, we see Earth’s auroras, a spacecraft’s view of our planet, and a pioneering photograph of the Orion Nebula.

We explore how we observe changing worlds and skies, from the dark skies above Paranal and the shifting waters of the ...

An illustration of a protoplanetary disk; (inset) an artist's rendition of the James Webb Space Telescope. Image credit: ESA/NASA, the AVO project and Paolo Padovani. NASA's Nancy Grace Roman Space ...

Hurricane Melissa swirls south of Jamaica in this view captured from the International Space Station in October 2025. As Earth experiences a strong El Niño, satellites are helping scientists ...

Dr. He is a SETI Postdoctoral Research Fellow and previously a NASA Postdoctoral Program (NPP) Fellow, working on the Kepler Reprocessing Project. His office remains at the NASA Ames Research Center.

Figure 1: A giant volcano hiding in plain sight in one of Mars’ most iconic regions. The newly discovered giant volcano on Mars is located just south of the planet’s equator, in Eastern Noctis ...

A stony meteorite in NASA Ames Research Center's Arcjet Interaction Heating Facility. A thin black line outlines the holder that supports the stone (left). Air flow is from left to right. Melt flows ...

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...

June 3, 2026, Mountain View, CA — Scientists at the SETI Institute searched for technological signals from 3I/ATLAS, the third interstellar object observed in our Solar System. Using the Allen ...

June 5, 2026, Mountain View, CA –The IAA SETI Committee announced today updated rules for evaluating and revealing the detection of extraterrestrial intelligence. A University of Manchester astronomer ...