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Return to article list Currently visible just before sunrise, the comet of the year will soon be visible after sunset and will remain trackable until late October. Credit: Gianni Tumino Comet Tsuchinshan-ATLASAlso known by its catalog designation C/2023 A3, it now has a magnitude of 2.2 in the morning sky. But if you're not an
A stream of superheated plasma gushes from the Sun in this 2014 image captured by the Solar Dynamics Observatory satellite. Credit: Solar Dynamics Observatory/NASA On September 1, 1859, the most intense geomagnetic storm in history visited Earth. This colossal solar explosion, which caused telegraph systems to catch fire and auroras to light up the skies
An artist's impression shows the newly discovered half-Earth-mass exoplanet Barnard b, with its red dwarf sun in the background. Credit: ESO/M. Kornmesser As far as lone stars go, there is nothing as distinctive as Barnard's star. After the Alpha Centauri system, it is our closest neighbor, a red dwarf one-fifth the size of the Sun
Return to article list These photos from around the world are some of the best we've seen of Comet C/2023 A3 so far. Comet C/2023 A3 (Tsuchinshan-ATLAS) displays prominent trails of ions and dust in this photograph taken on the morning of September 30 from Tivoli Farm in Namibia. Credit: Gerald Rhemann Comet Tsuchinshan-ATLAS has
Return to article list The “Ring of Fire” eclipse of October 2, 2024 was a spectacular celestial event, and Dave Eicher saw it from an equally spectacular setting. The annular eclipse experience was recorded here from Easter Island on October 2, 2024. Credit: Celine Chaya Your editor is in the middle of a week-long trip
The developers behind 2023 Disastrous survival MMO The day before I want a second chance. More than nine months after the study Fntastic announced that it would close after The day beforeThe spectacular fire, former members of that development team. fantastic 2.0 announcedwhich they describe as “a recovery plan” for the beleaguered company. Fntastic 2.0
Return to article list NASA researchers have discovered how columns of material erupt on the surface of the Red Planet every spring. In the south polar region of Mars, spider-shaped formations form that expand carbon dioxide gas. This image was taken by NASA's Mars Reconnaissance Orbiter. Credit: NASA/JPL-Caltech/University of Arizona Each spring, as the winter
Back to list of articles Although it's still difficult to see, the best comet of 2024 is getting closer to the Sun and getting brighter. Here's how to see it. We can only hope that at some point, Comet Tsuchinshan-ATLAS will look this good to the naked eye. However, this image was obtained by capturing
Back to list of articles The citizen science app, now available in eight languages, uses input from the public to identify kilonovae, neutron star mergers that create black holes. A kilonova, shown in this artist's impression, is the merger of two neutron stars. The collision releases electromagnetic radiation (light) and gravitational waves, and produces a
In this conceptual image, a plume of smoke rises from Dimorphos as the DART mission impacts the asteroid's moon. These kinetic impacts are one way an asteroid could be deflected, but a new study suggests that nuclear bombs could also be effective. Credit: ESA Deflecting killer asteroids with nuclear weapons has long been the stuff
