Hundreds of millions of people around the world lack reliable access to safe water — an escalating crisis with a potentially profound impact on their mental health.
Why it matters: It's a major milestone for cell-cultivated meats and could be a sign that these foods will be available in U.S. stores and restaurants.
NASA's successful launch this week of its Moon rocket ushers in a new age of lunar exploration.
Why it matters: NASA's Artemis program may help spark the inspiration that a major human spaceflight endeavor — like the Apollo program — can bring to new generations.
NASA's Space Launch System rocket took flight for the first time Wednesday, ushering in a new era of exploration for the space agency.
Why it matters: This uncrewed launch — called Artemis I — is expected to pave the way for NASA to one day send astronauts to the Moon for the first time since the end of the Apollo program in the 1970s.