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View original. | The Mars Curiosity rover captured this image of the drill hole in the Cumberland mudstone that it first investigated back in 2013. A new study from NASA

EarthSky’s 2026 lunar calendar shows the moon phase for every day of the year. Get yours today! Chelyabinsk: a mid-sky asteroid explosion On February 15, 2013, a small asteroid with

View larger. | In this image from Voyager 1 – acquired on February 14, 1990, from a distance slightly past the orbit of Saturn – planet Earth appears as a

EarthSky’s 2026 lunar calendar shows the moon phase for every day of the year. Get yours today! Happy Valentine’s Day! We’re sharing the love by celebrating some of the many

Artist’s impression of a star dimming due to its light being blocked by a giant ringed planet or possibly a brown dwarf. In this illustration, a super-Jupiter with massive rings

Artist impression of the inside out planetary system around the star LHS 1903. LHS 1903 is a small red dwarf that is cooler and shines less brightly than our sun.

https://earthsky.org/upl/2026/02/giant-galaxy-early-universe_sulzenauer2026-Max-Planck-Inst-for-Radio-Astro.webm Watch a video explaining how giant galaxies in the early universe might have formed. Video via Max Planck Institute for Radio Astronomy. EarthSky’s 2026 lunar calendar shows the moon

Artist’s concept of a planet – the black dot – orbiting a pair of stars in a binary star system. A new study says Einstein’s general theory of relativity can

Spotted by NASA’s James Webb Space Telescope, the galaxy MoM-z14 is currently the farthest galaxy ever detected. We see MoM-z14 as it appeared in the distant past, only 280 million

View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon Europa (red pixels). Scientists found them near large fractures in the icy surface crust.