NASA's New Horizons found the solar wind slows as it nears interstellar space, helping improve models of the solar system's ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

The New Horizons spacecraft sends back its sensational snapshots of Jupiter, and its volcanic moon Io, before the mission's close encounter with Pluto (Photo by: Photo12/Universal Images Group via ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have just discovered a rare interstellar object hurtling ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

NASA has officially declared one of its probes near Mars 'unrecoverable' after it mysteriously went dark following its scans of the interstellar object 3I/ATLAS. On Wednesday, the space agency said ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Suggested Citation: "1 Introduction." National Academies of Sciences, Engineering, and Medicine. 2025. Proposed Science Themes for NASA's Fifth New Frontiers Mission. Washington, DC: The National ...

"People will be hurt and killed" if we're not vigilant, scientists warn.

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space agency spotted the quick-moving object with the Atlas telescope in Chile on ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an opportunity for NASA to improve its understanding of that planet's ...