Staff member James Briggs presents a science demonstration during Star Wars Day on Saturday, Feb. 15, 2025, at the DaVinci Science Center in Allentown. Maria Williams helps her daughter, Aurora, ...

(Phys.org) —Stars form as gravity coalesces the gas and dust in an interstellar cloud until the material develops clumps dense enough to become stars. Even after a star begins to burn its nuclear fuel ...

While telescope alignment continues, the James Webb Space Telescope's Mid-Infrared Instrument (MIRI) is still in cooldown mode. MIRI, which will be the coldest of Webb's four instruments, is the only ...