The Dark Energy Spectroscopic Instrument (DESI), which is currently pointing at the skies from its home in the Nicholas U. Mayall Telescope at Arizona’s Kitt Peak National Observatory, is tasked with charting the expansion of space, investigating dark energy, and … Read More
During the peak of the Perseids meteor shower last month, numerous streaks of light raced across the night sky. Every year in mid- to late-August, Earth’s orbit intersects with the debris trail left by Comet Swift-Tuttle, resulting in a spectacular … Read More
We’ve already seen NASA’s Ingenuity helicopter fly on Mars — and now we can hear it, too. The whirring of Ingenuity’s fast-spinning rotors was captured by NASA’s Perseverance rover during the little chopper’s fourth Red Planet flight, which took place on April … Read More
About 63 years ago, almost no one on Earth thought about the number of artificial satellites that will orbit our Planet. On 4 October 1957, the Soviet Union launched the first artificial satellite, Sputnik 1, into orbit around the Earth. … Read More