(Note: Images are not shown to matching scale and thus do not reflect ... and bites to people are very rare. Brown widow spiders' evident aggression toward black widows raises many questions ...

While some of the encounters ended with the two spiders cohabiting, none ended with the black widows showing aggression. "Brown widows are ... of its large-scale, fault-tolerant quantum computer ...

Brown widow spiders (Latrodectus geometricus ... The team is still uncovering what is driving this aggression towards a closely related species, noting that invasive species can typically ...

Brown widow spiders' evident aggression toward black widows raises many questions, perhaps first and foremost: Why? What drives such behavior toward a closely related species? The researchers note ...