Surgery in space
It's one thing to be healthy in space - but what if an astronaut falls ill? What are the challenges in medical care and even surgery? One study decided to look at exactly that: https://onlinelibrary.wiley.com/doi/full/10.1002/bjs.10908
The above article is also valuable for exploring general effects of zero gravity on the human body and worth a look for that alone.
Our greasy galaxy
We all know that the Milky Way is full of dust and gas - but it's also filled with hydrocarbons, existing as a greasy soot. And there's far more of it than initially suspected: The Milky Way Is Full of Toxic, Sticky Grease
It's not enough to cover supposed missing mass - but it does mean you should expect interstellar craft to get covered in a film of toxic goo.
Impatient planets don't wait for stars
When does planetary formation begin? Apparently well before the parent star is fully formed: Planet formation starts before star reaches maturity
"The results indicate that planets already start forming while the star is still developing. The star is only half to three-quarters of its final mass. This is new."
BONUS Earth Science stories!
Oman in the Middle East just recorded the world's highest night time temperature - a sizzling 44.2C (111.6F): A Minimum Temperature of 42.6 °C (108.7 °F) in Oman on June 26, 2018: a New World Record by Dr. Jeff Masters | Category 6 ...
... while it's been discovered that valleys in Antarctica can reach temperatures as low as -100C (-148F): Coldest place on Earth is colder that scientists thought