At the time, astronomer Jerry Ehman spotted the highly unusual outburst in printed out records, annotating the major radio ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

A star is heading toward the outskirts of our solar system, and it’s getting here sooner than expected.Gliese 710, a rogue ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than previous interstellar visitors.

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

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Earlier this week, the Sun unleashed a flurry of plasma and magnetic fields, or coronal mass ejection, at interstellar object ...

For the first time ever astronomers have witnessed a budding star system emerge for the cosmic fog. Credit: Directed by: L.

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

San Diego Community Power announced Wednesday a $55 million initiative that will offer rebates and incentives to encourage ...