Two Newly-Discovered Exoplanets are Probably the Result of a Catastrophic Collision
How can two planets so similar in some respects have such different densities? According to a new study, a catastrophic…
How The Sun’s Scorching Corona Stays So Hot
We've got a mystery on our hands. The surface of the sun has a temperature of about 6,000 Kelvin -…
Elon Musk’s New Plan is to Get to the Moon as Fast as Possible
With his latest update, Musk shared the first test-firing of the Raptor rocket, and indicated there would be some changes…
Carnival of Space #597
This week's Carnival of Space is hosted by me at the CosmoQuest blog. Click here to read Carnival of Space…
Astronomy Cast Ep. 516: Polar Vortices
It's cold right now. Okay, fine, here on Vancouver Island, it's actually pretty warm. But for the rest of Canada…
Eta Carinae is Getting Brighter Because a Dust Cloud was Blocking our View
A new study by an international team reveals that Eta Carinae will soon be so bright that we won't be…
Oumuamua Could be the Fragment of a Disintegrated Interstellar Comet
Since it was first detected hurling through our Solar System, the interstellar object known as 'Oumuamua has been a source…
NASA used Curiosity’s Sensors to Measure the Gravity of a Mountain on Mars
Some very clever people have figured out how to use MSL Curiosity's navigation sensors to measure the gravity of a…
Astronomers Process Hubble’s Deepest Image to get Even More Data, and Show that Some Galaxies are Twice as big as Previously Believed
It allowed us to spot auroras on Saturn and planets orbiting distant suns. It permitted astronomers to see galaxies in…
Newborn Stars in the Orion Nebula Prevent Other Stars from Forming
The Orion Nebula is one of the most observed and photographed objects in the night sky. At a distance of…