Abstract: Vector addition systems with states (VASS), also known as Petri nets, are a popular model of concurrent systems. Many problems from many areas reduce to the reachability problem for VASS, ...

Windows 10 and Windows 11 have had their share of problems. According to the Microsoft Security Response Center (MSRC), the operating system experienced 11791 security vulnerabilities throughout 2025 ...

Scientists lost their instruments within Antarctica’s most dangerously unstable glacier, though not before getting a glimpse at the warming waters underneath. By Raymond Zhong The court ruled that ...

February 3, 2026 • Political rebellions, family feuds, and power grabs – the founding of the Supreme Court has about as much drama as a Hollywood movie. In this week’s episode, the story of how the ...