A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

Researchers identified several "hotspots"—clearly localized sites of intense methane leakage, forming visible gas plumes in the air. When the researchers returned over six months later to repeat ...

Comets are balls of frozen gas and dust from billions of years ago ... The comet, also designated C/2025 F2, would have been visible just after dark slightly north of where the sun set.

SALEM, Ore. — Oregon lawmakers are considering legislation that would require gas stations throughout the state to prominently display fuel prices both on street-visible signs and at each pump.