The contact binary system KIC 9832227 is worth another look. Astronomers have seen some incredible occurrences across space and time. The nova of the star GK Persei, shown here in an […]
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With sodium-sensitive eyes, we’d see it every new Moon. With no detectable gases, the Moon appears to be atmosphere-free. The Moon as seen from a view above the majority of Earth’s […]
As particles travel through the Universe, there’s a speed limit to how fast they’re allowed to go. No, not the speed of light: below it.
In the spirit of the 1969 moon landing, we now have a golden opportunity to pursue “nondisruptive” creative solutions.
One book will gather all topics on the search for life in the Cosmos.
New tech is a double-edged sword. Integration can be expensive and perilous: Mess up the adoption and jobs are on the line.
The past ~4 billion years have been an incredibly successful, unbroken run for life on Earth. The future won’t be nearly so bright.
On Earth, microbial growth is common in lava tubes no matter the location and climate, whether it’s ice-volcano interactions in Iceland or hot, sand-floored lava tubes in Saudi Arabia.
We once thought the Moon was completely airless, but it turns out it has an atmosphere, after all. Even wilder: It has a tail of its own.
Some of them have survived the wilds of space for billions of years.
Named M51-ULS-1b, it’s certainly a curious astronomical event. But the evidence is far too weak to conclude “planet.”
The boiling new world, which zips around its star at ultraclose range, is among the lightest exoplanets found to date.
Ingenuity is remarkable. But these 5 exploration ideas are revolutionary. Telescopes are our initial tools for revealing and studying foreign worlds. Hubble images of Mars, particularly around the regions with […]
When we started imaging the Universe with Hubble, every star had four “spikes” coming from it. Here’s why Webb will have more.
The way to understand the earliest moments of creation is to recreate those conditions and study them. Why would we stop now?
Professional astronomy images are the gold standard. But this Large Magellanic Cloud composite is the amateur community’s best image ever.
Our research on a Martian meteorite provides new clues about early surface conditions on the red planet.
There will always be “wolf-criers” whose claims wither under scrutiny. But aliens are certainly out there, if science dares to find them.
Jupiter’s mysterious auroral events are caused by vibrating waves of plasma.
We just observed the first ‘lunar formation’ in an exoplanetary system. This one image, above, is the first to show moons actively forming around a planet. This colourful image shows […]
If you want to know what the Universe is like, you have to look at it in the right way. Only by observing it can we know what the Universe is […]
Shooting star or piece of space dust?
“Once quantum mechanics is applied to the entire cosmos, it uncovers a three-thousand-year-old idea.”
On December 19 1972, astronauts Eugene Cernan, Harrison Schmitt and Ronald Evans splashed down safely in the Pacific Ocean, ending the Apollo 17 lunar mission. They were the last people to travel […]
Infrared, visible, and ultraviolet combine to show us Jupiter’s features as never before. The largest planet in our Solar System, Jupiter, is our own ‘failed star.’ The best evidence-based classification scheme […]
Our views from the red planet’s surface are more spectacular than ever. Ever since the earliest spaceflight, humanity has reached for Mars. This photo composite shows Meande Ring, a river on […]
It may seem as though top performers are always on, but the secret to their success is taking the time to recharge.
If you go young, blue, and massive, you top out at 50,000 K. That’s peanuts! Surprise! The biggest, most massive stars aren’t always the hottest. Although its neighbor, Messier 42, […]
With radio and X-ray data combined, we’re understanding how energy flows like never before. When we look out at the Universe on the largest cosmic scales of all, gravity is the […]
Every December, the Geminid meteor shower reaches its peak. Its 2021 show will be spectacular, but only if you do it right.