Why Gravity Fluctuates on the Moon

We need gravity: it anchors us. But the gravity we experience on earth is very different from the gravity on the moon, and both, it turns out, can fluctuate due to a number of things! Looking at new research announced by NASA, Trace upends our notions of gravity. Read More: NASA’s GRAIL Mission Solves Mystery …

What Would Happen If Gravity Stopped?

If gravity stopped, what would happen to everything here on Earth? Turns out, it’s very, very bad. Follow Crystal on Twitter: Special thanks to Casey Handmer for helping with this video! Do YOU want a shirt with Trace’s face on it? Click here!: What If There Were No Gravity “In the interest of not being …

The Crazy Way Scientists Launch Rockets From Balloons

Large chemical rockets are needed to launch payloads into space from the ground, but could rockoons, rocket balloons, be a more efficient alternative? Pluto Could Be Made A Planet Again, Along With 102 Other Celestial Bodies – Sign Up For The Seeker Newsletter Here – Read More: Rockoon “The Rockoon (balloon-launched rocket) consisted of a …

What If The Big Bang Never Happened?

A new theory suggests that the big bang might’ve never happened! Ian joins DNews to explain. Try the new Squarespace, at and enter offer code “DNews” at checkout to get 10% off! Follow Ian on Twitter: Check out some of Ian’s recent articles: Read More: Cosmology from quantum potential “It was shown recently that replacing …

How Do We Handle Medical Emergencies In Space?

Handling medical emergencies in space is very different than handling them on Earth! What would happen if a person got a major cut, or suffered a heart attack? Trace discusses why it’s so difficult to handle these emergencies, and how some students are developing a portable ultrasound for space! Follow DNews on Twitter: Follow Trace …

Why Astronauts Have A Hard Time Sleeping In Space

Sleeping in space can be very difficult, and many astronauts turn to sleeping aids to fall asleep. Are these astronauts abusing these drugs? Join Trace as he explains why it’s hard to sleep in space. Read More: Prevalence of sleep deficiency and use of hypnotic drugs in astronauts before, during, and after spaceflight: an observational …

What Happens Inside A Black Hole?

We were recently wondering what would happen to you if you fall into a black hole. Julian decided to tackle this tough question based on what we know. Get 15% off s domain names and web hosting when you use coupon code DNEWS at checkout! Follow Julian on Twitter: Read More: What Would Happen If …

How Big Can We Get?

Some animals, like the blue whale, keep getting bigger and bigger over time! How big are humans able to grow? Download the TestTube App: Read More: How much does buoyancy in air affect the weight of a person? “We can do a few quick back-of-the-envelop calculations to get a rough idea of these effects. To …

We Just Landed On A Comet!

Earlier this morning, the Rosetta satellite successfully landed a probe on Comet 67P/Churyumov-Gerasimenko! Trace is here to explain how the European Space Agency managed to do this. Read More: Rosetta Mission Timeline Rosetta’s Frequently Asked Questions Rosetta’s Target: Comet 67P/Churyumov-Gerasimenko “There are hundreds of comets flying around the Solar System, each of them a potential …

Can We Genetically Engineer Humans for Space?

Traveling far distances in space is difficult, but advances in jet propulsion and genetics are making it possible. Trace is joined by Dr. Kiki Sanford to discuss how by altering the genes in our own bodies, we can make ourselves more fit to survive on other planets! Follow Kiki on Twitter: Check out her website: …