Astronomy
10 Interesting Facts About the Milky Way
The Milky Way Galaxy is an immense and very interesting place. Not only does it measure some 120,000–180,000 light-years in…
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Rise of the Mega Rockets: Comparing Heavy Lift Launch Systems
A new generation of space rockets ready to lift new and exciting payloads spaceward is coming to a sky near…
Soar with the Aurora in this Breathtaking Real-time Video
"Soaring" by Ole Salomonsen We've posted many beautiful aurora photos and videos over the years here at Universe Today, but…
The Inner Planets of Our Solar System
Our Solar System is an immense and amazing place. Between its eight planets, 176 moons, 5 dwarf planets (possibly hundreds…
Planets Could Travel Along with Rogue ‘Hypervelocity’ Stars, Spreading Life Throughout the Universe
In a series of new studies, Harvard astronomers show that hypervelocity stars are common in our Universe and could be…
New Cosmological Theory Goes Inflation-Free
The Cosmic Microwave Background (CMB) radiation is one of the greatest discoveries of modern cosmology. Astrophysicist George Smoot once likened…
Famous Hubble Star Explosion Is Expanding, New Animation Reveals
Wow! One of the most famous star explosions captured by the Hubble Space Telescope -- several times -- shows clear…
Observing Challenge: How to See Asteroid Hebe, Mother of Mucho Meteorites
In the reeds that line the banks of the celestial river Eridanus, you'll find Hebe on the prowl this month. Discovered in 1847…
What Percent of Earth is Water?
The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it…