Are Martian organics remnants of ancient life?
Scientists found that organic molecules in Jezero Crater on Mars are similar to both biological and non-biological organic matter on Earth.
Category: What is out in space?
What is matter and dark matter? What kinds of things happen in space? What do we know about the physics in space?
Where did the galaxy get its carbon?
Researchers compared computer models with observations of stars in the Milky Way, and found that massive stars are the dominant source of…
Finding alien life with light signals
Scientists compared light reflected from Earth to light reflected from Mars, and found that planets with life produce more complex,…
Objects at the border between planets and stars
Researchers studying a star-forming region in our galaxy found mysterious objects that are neither stars nor planets, but could be a new…
Dark matter influences the size of galaxies
Researchers simulated the effects of dark matter halos on galaxies and found that denser halos produced smaller galaxies.
The Sun’s twin star may have tilted the planets’ orbits
A scientist simulated the early solar system to determine how interactions between the Sun and other stars affected its planetary orbits.
How many asteroids can we detect before they hit Earth?
Scientists simulated a telescope with the same specifications as the new Vera Rubin Observatory. They predicted it could detect 1 to 2…
Is Earth’s water why intelligent life evolved here?
A Columbia University scientist argued that the existence of humans provides strong evidence that intelligent life is more likely to evolve…
Characterizing galaxies at “cosmic noon”
Astronomers studied 3 galaxies that formed 2 to 3 billion years after the Big Bang to calculate how much gas, stars, and dark matter they…
Searching for planets in a galaxy far away
Researchers surveyed over 20,000 stars thought to come from a nearby galaxy and found that no more than 1% harbored close-orbiting,…