Spirals are a repeating theme in astronomy, with arguably the most famous example of a swirling armed structure being our home galaxy, the Milky Way. Now, using a powerful NASA supercomputer called “Pleiades,” scientists have discovered yet another spiral structure on the edge of our solar system. The spiral is composed of billions of icy … Read more
The moon enters its new phase for February 2025 tonight, leaving the skies nice and dark for observing the many bright planets currently visible in the night sky. The new moon occurs Feb. 27, at 7:45 p.m. EST (0045 GMT Feb. 28), in New York, according to the U.S. Naval Observatory. Tomorrow (Feb. 28), the … Read more
The secrets of the solar wind will soon come under renewed scrutiny thanks to the launch of an upcoming NASA mission that will gaze at the sun and the inner solar system. The mission, called PUNCH, which stands for the Polarimeter to Unify the Corona and Heliosphere, is a constellation of four suitcase-sized satellites that … Read more
As the hunt for dark matter, the universe’s most common yet most mysterious “stuff,” continues, scientists are understandably eager to get the most powerful space telescope in on the action. Space.com spoke to three scientists, cosmic detectives who are hot on the trail of dark matter candidates using the James Webb Space Telescope (JWST). The … Read more
In December 2024, the former RiAus editor-in-chief Ian Connellan and former Cosmos Editor Gail MacCallum embarked on his first visit to Antarctica. The well-travelled Connellan discovered a new world as a guest of Scenic, this is his account of the trip. Wednesday 18th Check-in is easy and after a few hours’ wait we’re on our … Read more
A total lunar eclipse will occur on March 13-14, 2025 — the first on Earth since 2022 — but only the night side of the planet will get to see it. During this global event, which will occur at the same time across the world, the lunar surface will turn reddish for 65 minutes — … Read more
Time to breathe a sigh of relief. The asteroid that once posed the greatest impact risk to Earth in recorded history now has an effective 0% chance of striking our planet. The probability of asteroid 2024 YR4 hitting Earth was reduced to zero thanks to new data collected on Sunday, Feb. 23. Discovered in Dec. … Read more
Newly released photos of the next spacecraft to launch to the moon have revealed a detail that the U.S. company behind it really hopes will soon never be seen again. Intuitive Machines on Thursday (Feb. 20) shared images of its second Nova-C lunar lander, “Athena,” as it was being encapsulated within a protective fairing for … Read more
Scientists searching for the fossilized remains of ancient microbes on Mars now have a better idea of what signs they should be looking for, thanks to a new study of Earthly microbial fossils embedded in the mineral gypsum that was produced when the Mediterranean Ocean dried up over 5 million years ago. Mars was once … Read more
When you wake up from a dream, is your brain full of vivid details that you recount to your friends and family? Or does the memory slip away by breakfast time? Our ability to remember dreams upon waking is called dream recall. But the factors that influence this ability are little understood. Now, new research … Read more