At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

NASA’s Interstellar Mapping and Acceleration Probe (IMAP) has reached its destination of the first Sun-Earth Lagrange point ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

Scheduled to launch in early 2026, NASA's Artemis 2 is part of the bold 21st-century vision for returning astronauts to the ...

Your weekly horoscope for January 4-10, 2026, includes cazimi as well as Venus conjunct Mars and opposite Jupiter retrograde.

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

The incident occurred at Rocky Mountain Metropolitan Airport in Colorado. A small plane landed itself safely at a Colorado airport in what marked the first-ever use of Garmin's Autoland system in an ...

NPR's Scott Simon talks with Larry Levitt of KFF about the state of the U.S. health system as we close out 2025 with no deal in Congress to extend Obamacare subsidies. Congress left Washington, D.C., ...