This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

This giant protective bubble, created by the Sun’s solar wind, extends far beyond the orbit of Neptune and shields life in our solar system from harmful cosmic radiation and high-energy particles.

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

NASA/ESA Hubble Space Telescope, Gemini North telescope and NASA Infrared Telescope Facility observations of Neptune and ...

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view of this peculiar planet’s rings in more than 30 years,” according to ...

SummaryNASA's new Interstellar Mapping and Acceleration Probe, or IMAP, will launch no earlier than Tuesday, Sept. 23 to ...

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.

Ed Stone, the longtime project scientist of NASA’s Voyager mission, shares some wise words, followed by a presentation by the ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and ...