OMG sciencefromwww.scientificamerican.com3 weeks agoAstronomers Still Don't Understand These Strange Circles in the SkyAstronomers rarely discover new classes of astronomical objects, with faint objects often representing potential new findings.
OMG sciencefromBig Think6 months agoThe biggest holes in NASA's suite of observatoriesEven with advanced technology, Earth's atmosphere limits our ability to observe the Universe across most electromagnetic wavelengths.