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Ice Peeks out of a Cliffside on Mars

The HiRISE (High-Resolution Imaging Science Experiment) camera on the Mars Reconnaissance Orbiter has captured another beauty. This time the image shows water ice peeking out from a cliffside on Mars. A layer of sediment obscures most of the ice, but fingers of it are visible. Mars likely had ancient oceans, and the remnants of all that...

A new Kind of Supernova has Been Discovered

We often think of supernova explosions as inevitable for large stars. Big star runs out of fuel, gravity collapses its core and BOOM! But astronomers have long thought at least one type of large star didn’t end with a supernova. Known as Wolf-Rayet stars, they were thought to end with a quiet collapse of their core into a black hole. But a new discovery...

Space Flight Destroys Your Red Blood Cells

It’s really true: space wants to kill us. And this time, space is trying to kill us from the inside out. A new study on astronauts living on board the International Space Station shows that while in space, the astronauts’ bodies destroyed 54 percent more red blood cells than they normally would on Earth. Even one year after their flight and back...

A Suctioning Sleeping bag Could Solve eye Problems in Space

As any good cardiologist would tell you, blood flow is key to your health.  They probably won’t tell you that gravity is key to blood flow.  But that’s probably because they don’t usually have to deal with patients that aren’t subject to gravity.  When people are no longer subject to gravity, such as astronauts resident on the ISS, that lack of gravity...

NASA and HeroX Want to Convert Waste in Space and Monitor Air-Quality Here on Earth

In the coming years, NASA will be making the long-awaited return to the Moon, where they will be joined by multiple space agencies and commercial partners. This will be followed by NASA and China sending the first crewed missions to Mars and other locations in deep space in the next decade. This presents numerous challenges, not the least of which involves...

These Newly-Discovered Planets are Doomed

Astronomers have spied three more exoplanets. But the discovery might not last long. Each planet is in a separate solar system, and each orbits perilously close to its star. Even worse, all of the stars are dying. The results? Three doomed planets. TESS (Transiting Exoplanet Survey Satellite) and other planet-hunting endeavours...

20% of Twilight Observations Contain Satellite Passes

With the rapid expansion of commercial space, there is a growing number of satellites in orbit around our planet. Most of these are in low-Earth orbit, which is becoming increasingly crowded. This has led some to be concerned about a catastrophic rise of space debris, as well as a growing frustration by astronomers due to the number of satellite sky...

Remember When Life was Found in a Martian Meteorite? Turns out, it was Just Geology

The Alan Hills meteorite is a part of history to Mars aficionados. It came from Mars and meteorite hunters discovered in Antarctica in 1984. Scientists think it’s one of the oldest chunks of rock to come from Mars and make it to Earth. The meteorite made headlines in 1996 when a team of researchers said they found evidence of life in it. ...

A Moon Might Have Been Found Orbiting an Exoplanet

In the past three decades, the field of extrasolar planet studies has advanced by leaps and bounds. To date, 4,903 extrasolar planets have been confirmed in 3,677 planetary systems, with another 8,414 candidates awaiting confirmation. The diverse nature of these planets, ranging from Super-Jupiters and Super-Earths to Mini-Neptunes and Water Worlds,...

A Star Passed too Close and Tore Out a Chunk of a Protoplanetary Disk

When it comes to observing protoplanetary disks, the Atacama Large Millimetre/sub-millimetre Array (ALMA) is probably the champion. ALMA was the first telescope to peer inside the almost inscrutable protoplanetary disks surrounding young stars and watch planets forming. ALMA advanced our understanding of the planet-forming process, though our knowledge...

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