There once was a dream of cities in space — vast cylindrical habitats, self-sufficient and populated by millions who would look down on the Earth from their lofty perch.
Back in the 1970s, one serious scientist believed that by now this dream would have been a reality. That scientist was Princeton University professor of physics, Gerard K. O’Neill, and, for a few years, his dream of living in…
We think this DJI drone is the best for beginners — it is now 20% cheaper for Prime Big Deal Days
October 9, 2025
The DJI Mini 4K is one of the best beginner drones on the market and it’s 20% off for Prime Day in October, so today is your last chance to save big on something that was already good value for money.
Save 20% on the DJI Mini 4K when you grab it from Amazon on the last day…
With the number of exoplanets having recently passed the 6,000 mark, astronomers are busy preparing for many thousands more in the coming years, with underutilized planet-finding techniques about to come to the fore to add the deluge from transit surveys.
“We’ve found…
Embrace the Dark Side with $80 off this spectacular Star Wars Ahsoka electronic lightsaber
October 9, 2025
Star Wars: Ahsoka Season 2 is taking its time arriving on Disney Plus, two years after the last series ended. If that’s got you raging, then why not surrender to the dark side with $80 off this Star Wars: Ashoka Black Series Baylan Skoll Force FX Lightsaber?
You can get Baylan Skoll’s lightsaber for $170 at Amazon.
Be warned, this lightsaber, heavily discounted for Prime Day, is not a toy.
A majestic Harvest Supermoon graced the night sky on Oct. 6-7, putting on a spectacular show as it loomed large and bright over the eastern horizon at moonrise with Saturn close to its right among the stars of the constellation Pisces.
The closest full moon to the autumn…
Save 27% on these Celestron Cometron binoculars — great stargazing for the whole family
October 8, 2025
Amazon Prime Day in October is here! It is running from Oct. 7-8, so you only have 48 hours to grab most of the hottest deals on stargazing gear.
The Celestron Cometron 7×50 binoculars are now only $35 and they are our pick for the best family binoculars in our best…
China is developing the capability to remove space debris from orbit, according to a top official.
In recent years, China’s space activities have grown tremendously, with an operational space station in low Earth orbit (LEO), a greatly increased rate of launches and plans for multiple constellations consisting of thousands of satellites. The growth of the country’s presence in orbit also…
NASA’s spinning spacecraft studying the satellites of the solar system’s largest celestial body (aside from the sun), may already be switched off, but the space agency won’t say.
The Juno probe launched in 2011 and entered orbit around Jupiter in 2016, beginning what…
October’s full Harvest Moon looms large over the eastern horizon at sunset tonight! Here’s what you need to know before the first supermoon of 2025 rises to dominate the night sky with a magnificent display of moonlight.
The full moon phase will occur at 11:48 p.m. EDT…
The exoplanet revolution at 30: 1st alien world was found around a sun-like star three decades ago
October 7, 2025
Thirty years ago, on Oct. 6, 1995, the very first exoplanet to be discovered around a sun-like star was revealed. Called 51 Pegasi b, it was a world like nothing we had ever seen before: a gas giant planet similar to Jupiter, but so close to its star that its year lasts just a little over four Earth days and its sky burns at 1,830 degrees Fahrenheit (1,000 degrees Celsius).
The discovery of 51…
