After being visible on Sunday, Oct. 12, 2025, two green comets are becoming easier to see — and more convenient. On Monday, Oct. 13, the brighter comet, Lemmon (C/2025 A6), will shift from being a morning-only target to evening…
Astronomers have used a worldwide array of telescopes to spot the smallest dark object ever identified in the universe. Discovering more of these faint, hidden masses and understanding what they are could help eliminate certain explanations for…
This amazing-looking galaxy is catalogued NGC 2775 and lies 67 million lightyears from Earth.
In fact, it’s so far away – its light has taken so long to reach us – we’re looking at the galaxy as it appeared just before the extinction of the…
A car drives west on Mercer Road as the northern lights fill the sky over the rural landscape in Mercer, Maine on May 10, 2024. (Photo by Michael Seamans/Getty Images)
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The Northern Lights may be seen across 12 northern U.S. states and…
It’s the moon’s last night in Waning Gibbous before we’re at a half moon. There’s less and less visible each night, but keep reading to see what you can see tonight, Oct. 12.
In late October 1975, a heavily shielded spacecraft, the Soviet Union’s Venera 9, parachuted into the atmosphere of Venus.
Then, having landed, it did something extraordinary: it beamed back the first images ever captured from the surface of…
Peering back into the early years of the Universe requires scientists to make a lot of assumptions. But sometimes, we get better instruments that then allow them to either confirm or replace those assumptions.
That happened recently when it…
The Universe was born 13.8 billion years ago during a rapid expansion known as the Big Bang. Around 400,000 years later, it entered a period known as the “Dark Ages,” which lasted for about 0.1 billion years until the first stars and…
Remarkably well-preserved remains of a 1,000-year-old individual from a cave in central Mexico provided researchers with an unprecedented glimpse into the ancient human gut microbiome.
Now called the “Zimapán man,” his body was naturally…
Numerous scientific studies have demonstrated the health benefits of running – even just 5-10 minutes a day at slow speeds has been associated with a markedly reduced risk of death from all causes and cardiovascular disease. Why? As a form of…