Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be ...

Only two spacecraft have ever truly escaped the solar system, slipping beyond the Sun’s protective bubble into interstellar space. Their measurements are now reshaping how I understand the heliosphere ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

United States-based space solar startup Overview Energy has announced its emergence from stealth mode to work on the next phase of commercialization. Based in Ashburn, Virginia, the company was ...

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 ...