Faint, low-mass stars could be hiding much of the mass in distant galaxies, making the surprisingly large galaxies discovered by JWST in the early Universe even harder to explain.
On the evening of 12 August 2026, the Moon will pass between Earth and the Sun, producing a striking solar eclipse. Find out how, when and where to observe it safely.
Today’s impact of a spent Falcon 9 rocket stage on the Moon may sound dramatic, but it is neither the first human-made object to strike our natural satellite nor the largest.