When stars like our sun die, all that remains is an exposed core—a white dwarf. A planet orbiting a white dwarf presents a promising opportunity to determine if life can survive the death of its star, according to Cornell ...
Astrobiology
Sep 16, 2020
4
392
Taking advantage of a total lunar eclipse, astronomers using NASA's Hubble Space Telescope have detected Earth's own brand of sunscreen—ozone—in our atmosphere. This method simulates how astronomers and astrobiology researchers ...
Astronomy
Aug 6, 2020
0
525
At least twice in Earth's history, nearly the entire planet was encased in a sheet of snow and ice. These dramatic "Snowball Earth" events occurred in quick succession, somewhere around 700 million years ago, and evidence ...
Earth Sciences
Jul 28, 2020
16
2881
Researchers across the globe have long tackled the question: Is there life on other planets, and if so, how do we find it? Faced with thousands of planets to explore beyond our solar system, scientists need a way to predict ...
Astronomy
May 19, 2020
4
363
A team of transatlantic scientists, using reanalyzed data from NASA's Kepler space telescope, has discovered an Earth-size exoplanet orbiting in its star's habitable zone, the area around a star where a rocky planet could ...
Astronomy
Apr 15, 2020
9
4749
It's been nearly 350 years since Sir Isaac Newton outlined the laws of motion, claiming "For every action, there is an equal and opposite reaction." These laws laid the foundation to understand our solar system and, more ...
General Physics
Dec 18, 2019
7
6411
Contrary to previous thought, a gigantic planet in wild orbit does not preclude the presence of an Earth-like planet in the same solar system—or life on that planet.
Astronomy
Nov 5, 2019
2
892
Earth-like planets may be common in the universe, a new UCLA study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is not unique. The study was published in the journal Science on ...
Astronomy
Oct 17, 2019
7
841
Scientists may need to rethink their estimates for how many planets outside our solar system could host a rich diversity of life.
Astronomy
Jun 10, 2019
30
3815
Excitement about exoplanets skyrocketed when rocky Earth-like planets were discovered orbiting in the habitable zone of some of our closest stars – until hopes for life were dashed by the high levels of radiation bombarding ...
Astronomy
Apr 9, 2019
26
1337
