Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

For the first time, astronomers have witnessed the early stages of planet formation around a distant young star, HOPS-315, ...

IMAP (short for "Interstellar Mapping and Acceleration Probe") is the primary payload on today's flight. The roughly $600 ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...

Space weather can be a silent threat, its effects often invisible until disaster strikes. Yet, as humanity grows more ...

Interstellar comet 3I/ATLAS — just the third such object ever confirmed to have entered our solar system — flew past Mars ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

Astronomers say the water that fills Earth's oceans — and the stuff you use to brew your morning cup of coffee or tea — may be older than the sun itself.

Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a ...

Researchers discover hidden solar tornadoes that can disrupt Earth's systems - revealing why current space weather warnings ...