Defying expectations, solar activity is back in a big way, with the number of sunspots counted on the Sun’s surface last month reaching levels not seen in nearly 23 years, more than twice the number predicted by previous forecasts. This newfound activity signals not only that the Sun is wellread more
Despite expert predictions for a period of prolonged quiet for the Sun, solar cycle 25 has proven to be an active one, with 143 sunspots appearing on the Sun’s surface during February alone, and numerous solar flares erupting from the star’s surface—15 of them powerful X-class events—since the current cycleread more
New observations from the Hubble Space Telescope and the New Horizons spacecraft have unveiled the presence of a mysterious glow that permeates the solar system. This unexplained glow was discovered by the SKYSURF survey, an effort to catalogue the various sources of light within the solar system that can interfere withread more
NASA has announced that after nearly a half-century of studying the outer reaches of the Solar System—and beyond—the Voyager 1 and Voyager 2 space probes will be shut down over the course of the next few years. Although both probes are still functioning perfectly, their nuclear fuel is expected toread more