Universe Today
Much of the Lithium Here on Earth Came from Exploding White Dwarf Stars
The Milky Way is surrounded by a huge hot halo of gas
A New Telescope is Ready to Start Searching for Answers to Explain Dark Energy
China will begin constructing its space station in 2021
Supermassive Black Holes Grew by Consuming Gas and Entire Stars
Interstellar Oumuamua Was a Dark Hydrogen Iceberg
Finally! Mars InSight's Mole is Now Underground
Hubble Looked as Far Back in Time as it Could, and Still Couldn't See the First Generation of Stars in the Universe
A New Test Confirms Dark Energy and the Expansion of the Universe
Our measurements of dark energy give contradictory results. A new study confirms dark energy, but suggests it is more strange than we thought.
Continue reading
Weekly Space Hangout: June 3, 2020 — Paul Sutter and How to Die in Space
Spying a Rare 'Ring of Fire' Around Venus at Inferior Conjunction
Amazing things happen in the day-to-day sky, often unseen and unwitnessed in our normal routine. Just such a 'non-event' happened this week, when Venus reached inferior conjunction between the Earth and the Sun on its race from the dusk to the dawn sky. And what's more amazing, is the fact that some skilled observers followed this passage and caught sight of Venus as a tiny blazing 'ring of fire' silhouetted against the sky.
Continue reading
Evidence that Mars Used to Have a Ring
The dinosaur killing asteroid hit the Earth at the most devastating possible angle
About 3.5 Million Years Ago, a Stream of Gas Outside the Milky Way Would Have Lit Up the Night Sky
What are the Odds of Life Emerging on Another Planet?
A new study by Prof. Kipping of Columbia University indicates that extraterrestrial life should be statistically significant, even if intelligent life is rare.
Continue reading
Study of 200,000 Galaxies Reveals the Entire Universe Might Have Been Spinning in One Direction Early On
A new study finds evidence that the universe as a whole is rotating, and that could have big implications for cosmology.
Continue reading
Barred Spiral NGC 3895 Captured by Hubble
New Simulations Show How Black Holes Grow, Through Mergers and Accretion
Want to Mine Ice on the Moon? Scientists Create a Map for Where to Start
The Meteor Impact that Wiped Out the Dinosaurs Created a Vast Underground Hydrothermal System
How to See This Friday's Penumbral Lunar Eclipse
Eclipse season resumes on June 5th, with a fine penumbral lunar eclipse.
Continue reading
Black Hole Seen Blasting Out Jets at Close to the Speed of Light
Huge Stars Can Destroy Nearby Planetary Disks
Rare "Ring Galaxy" Seen in the Early Universe
Astronomers have discovered a collisional ring galaxy that existed when the Universe was just 3 billion years old, a find which could have implications for our theories on galactic evolution.
Continue reading
NASA and SpaceX Make History with Successful Crew Dragon Launch!
NASA and SpaceX made history today with the launch of second demonstration flight of the Crew Dragon (Demo-2), which signalled the restoration of the US' domestic launch capability!
Continue reading
Maybe the Elusive Planet 9 Doesn't Exist After All
SN4, We Hardly Knew You. Another Starship Prototype Lost!
SpaceX suffered yet another setback when their SN4 prototype exploded into a fireball during a static fire test of its single Raptor engine.
Continue reading
Due to Weather Delay, NASA & SpaceX Push Historic Launch to Saturday
This Saturday, NASA and SpaceX will make their second attempt to send astronauts to the ISS from US soil for the first time since 2011!
Continue reading
Mars Doesn't Have Much of a Magnetosphere, But Here's a Map
A New Kind of Supernova Explosion has been Discovered: Fast Blue Optical Transients
How to Make the Food and Water Mars-Bound Astronauts Will Need for Their Mission
New technologies are being developed that will ensure astronauts have plenty of drinking water and food wherever resupply missions are not readily available
Continue reading
Powerful Telescope Confirms There's an Earth-Sized World Orbiting Proxima Centauri
There is an Earth-sized planet only four light years from Earth. Whether it has life is yet to be known.
Continue reading
On Mars, mud flows like lava
This Rocket Engine's Thrust Chamber was 3D-printed and Only has Three Parts
At cosmic distances, even the speed of light is really slow
Weekly Space Hangout: May 27, 2020 — News Roundup
Extremely Hot Exoplanets Can Have Extreme Weather, Like Clouds of Aluminum Oxide and Titanium Rain
What Are Some Clues to the Climates of Exoplanets?
Researchers from the Carl Sagan Institute have created a new model for assessing the habitability of exoplanets that orbit different types of stars
Continue reading
The Solar System Might Not Exist if There Wasn't a Huge Galactic Collision with the Milky Way Billions of Years Ago
A Massive Rotating Disc Discovered in the Early Universe
This Dwarf Galaxy is all by Itself
How Will we Receive Signals From Interstellar Probes, Like Starshot?
A new study takes a look at the challenges of sending and receiving data over interstellar distances using tight-beam lasers
Continue reading
Spot SpaceX's Crew Dragon After This Weekend's Historic Launch
How to see SpaceX's Crew Dragon Demo One mission in orbit Wednesday night.
Continue reading
Tiny Cardboard Aircraft Could Fly in the Skies of Mars
NASA and SpaceX Gearing Up For Historic Crew Dragon Launch This Week
NASA and SpaceX are gearing up for the Demo-2 mission this week, which will see the Crew Dragon launch from the Kennedy Space Center and rendezvous with the ISS.
Continue reading
The Coast of Antarctica is Starting to Turn Green
This is an Actual Image of a Planet-Forming Disc in a Distant Star System
U.S. Space Force is Looking For a Place to Put its Headquarters
The US Space Force has announced that it is looking for a place to establish its new HQ, and is encouraging communities across the US to nominate themselves based on a set of criteria.
Continue reading
Maybe a Fleet of Tiny Spacecraft Could Help Detect a Primordial Black Hole Planet 9
The SpaceX Starship Could Fly This Summer!
Despite an unexpected fire during the latest static fire test, SpaceX's Starship prototype is alive and well and closer to flight-testing.
Continue reading