Life may be possible in water on exomoons, even if the planet floats free of other stars…
It is hard to imagine life without water. In fact, liquid water is usually considered a prerequisite for the formation of life anywhere.
Water on Earth is kept warm by a careful balancing act between incoming solar radiation from the Sun, and heat reflected back to the surface by our atmosphere.
New Ganymede photos from Juno provide the first up-close view of this giant moon in nearly a generation.
On June 7, 2021, at 1:35 pm EDT, the Juno spacecraft, soaring around the Jovian system, carried out a close encounter with the giant moon Ganymede.
Larger than the planet Mercury, Ganymede ranks as the largest moon in the Solar System. It is also the only moon in the Solar System known to have a magnetic field — a magnetosphere similar to a bubble of charged particles.
Seeing 535 fast radio bursts around the Cosmos, the CHIME radio telescope sextuples the number of previously-known FRBs in only a year. But what are FRBs?
Each day, the CHIME radio telescope, composed from four cylindrical radio antennas, records signals from half the sky of Earth. The unique capabilities of this unusual telescope provides glimpses of the Cosmos unlike those available at other instruments.
In its first year of operation, this one-of-a-kind telescope at the Dominion Radio Astrophysical Observatory recorded 535 fast radio bursts previously unknown to astronomers.
“Called fast radio bursts (FRBs), these extraordinary events generate as much energy…
The Moon in June flirts with the planets of our Solar System, and puts on one sweet sight — Here’s how to watch it all happen!
Our planetary companion is putting on quite a show for amateur astronomers all around the globe during the month of June! These events all happen slowly, and will be visible to people around the globe, providing us with a global show.
Over the course of June, the Moon will huddle up close to Venus, Mars, Jupiter, and Saturn! …
An ancient bottleneck in human population could be explained by an ancient volcano, and a whole lot of sulfur.
Reading the human genetic code reveals a bottleneck in human population took place between 100,000 and 60,000 years ago, suggesting our fledgling species suffered a massive loss of life at that time, significantly reducing human populations.
A new international study builds on earlier work, suggesting this ancient catastrophe may have been the result of a massive volcanic eruption, tearing apart the protective ozone layer surrounding the Earth. …
A solar eclipse on June 10 will put on a show for Canada and Siberia, with lesser displays in Europe and the northeastern United States
A solar eclipse on June 10 will grace parts of northern Canada and Siberia, where well-placed viewers will see the event as an annular solar eclipse. These events are marked by a bright ring surrounding the silhouetted Moon.
Skygazers in the northeastern United States, as well as large swathes of Asia, will also get a partial glimpse of the celestial display.
Viewing the lights of “downtown milky way” reveals a previously-unknown source of X-ray radiation near the center of our galaxy.
Cloaked in an enveloping haze of gas and dust, the center of the Milky Way remains an elusive target for astronomers. Hidden near the center of our family of stars, a supermassive black hole sits, pulling gas and dust near the tenebrous void.
However, certain wavelengths of electromagnetic energy are able to penetrate this dusty curtain. Looking at “downtown Milky Way,” Chandra X-ray telescope, the n X-ray thread was seen shining near the center of the Milky Way. This structure…
The first microsecond of the Cosmos was filled with a weird quark-gluon plasma soup. Turns out, things may have been weirder than that.
In the instant after the Big Bang, matter as we know it did not exist — the Cosmos was filled with a soup of subatomic particles. Astronomers and astrophysicists are now able to piece together large pieces of the history of the early Universe. But, significant questions remain concerning the processes by which energy transformed to a weird quark-gluon plasma, eventually forming stars and planets and galaxies.
Snowflake yeast evolve quickly, providing a novel tool in the study one of the greatest events in the history of Earth
Traveling backward in time 2.5 billion years, an unlucky time traveler would find themselves choking in the oxygen-poor atmosphere of Earth. Before animals or leafy plants, our world was occupied largely by microscopic lifeforms which lived without oxygen, and for whom this gas was a deadly poison.
Around this time, however, cyanobacteria (once known as blue-green algae) first developed. Converting sunlight to energy, these miniscule beings exhaled oxygen into the atmosphere. For a while, this gas was largely caught…
Will the end of nations come from the colonization of space? It may happen sooner than you think.
At 3:17 pm EDT on July 17, 1975, in orbit above the Atlantic ocean, a pair of docking hatches were unlatched aboard a pair of mated spacecraft, opening the door to a new age. The Apollo/Soyuz mission was the first mission where the adversaries at the center of the Cold War joined together in the exploration of space.
In his 1984 State of the Union address, then-President Ronald Reagan announced the United States would build an all-American space station Freedom. Following a…