(CNN) — Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Heat-trapping methane may be best known for the ...

Spiders are those unwanted guests who are sharing your space without paying rent. Spiders might not be everyone’s favorite roommates, but they’re definitely fascinating (and surprisingly helpful). But ...

Giant, venomous yellow spiders have been making their way up the East Coast, and people may begin to spot them in New Jersey, New York and even southern Canada as early as this year. The creatures are ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Heat-trapping ...