1+ hour, 14+ min ago  (432+ words) Decades of research shows that Earth was once entirely or almost entirely frozen. The episode is known as Snowball Earth, and though its occurrence is widely accepted, many of its details remain hypothetical. Snowball Earth took place in Earth's Cryogenian…...

3+ mon, 4+ week ago  (620+ words) Bit by bit, scientists are piecing together Mars' climate history. Thanks to orbiters armed with powerful cameras and rovers carrying suites of scientific instruments, the red planet's history is becoming clearer year-by-year. In the past decade or so, evidence of…...

3+ week, 6+ day ago  (722+ words) The lunar south pole is where humanity plans to build its first permanent outpost but we still don't fully understand what lies beneath the surface. A new study has used radar to peer below the ground in one of the…...

4+ week, 1+ day ago  (221+ words) How does something come from nothing? It is perhaps the most profound question in all of science and one we still cannot fully answer. How did a barren, lifeless planet transform itself, over billions of years, into a world teeming…...

1+ mon, 3+ day ago  (242+ words) Finding something on another planet that is still alive is the single highest priority of the field of astrobiology. It's the only way we can perform the protein and genetic analyses needed to prove that the life we found didn't…...

1+ mon, 1+ week ago  (1127+ words) Universe Today In Dante's "Divine Comedy," Hell is described as an "Inferno" with nine concentric circles, the entrance of which has a sign that reads "Abandon all hope, ye who enter here." For the planets of the Solar System, Venus…...

1+ mon, 1+ week ago  (1060+ words) Asteroids don't get the love they deserve. They don't get "cool points" because they're not a planet or a potential life-harboring moon. They're "just a bunch of rocks". But asteroids are so much more, as they are time capsules of…...

1+ mon, 2+ week ago  (172+ words) In the end, the researchers developed several hypotheses regarding the interior of 16 Psyche, which they note they will confirm once the Psyche spacecraft arrives at the asteroid. Better understanding 16 Psyche and its origins will not only enable scientists to gain…...

1+ mon, 3+ week ago  (654+ words) Earth was once a magma ocean world, just as all rocky worlds were early in their development, according to theory. As the very young Earth cooled, only the outer core remained molten, wrapped around a solid inner core and covered…...

1+ mon, 3+ week ago  (861+ words) One particularly well known fact about the Moon is that it doesn't have much of a magnetosphere to speak of. There's no blanket to protect it from the solar wind ravaging its surface, blowing away its atmosphere and charging the…...