The evolution of land plants took place about 430 million years ago (Silurian period), when North America and Europe were conjoined in a landmass called...
Carbon plays a vital role in geological processes occurring in the Earth’s interior. While most carbon on our planet exists in its core, whether or not...
New research led by Curtin University geologists suggests that regions of space with dense interstellar clouds may send more high-energy comets crashing...
Earth is the only planet known to have continents, although how they formed and evolved is unclear.
An artist’s concept of meteors impacting the ancient...
In a study published this week in the journal Nature Communications, scientists tested the hypothesis that fine and coarse marine aerosols have opposite...
LifeGate 2022, created by Leipzig University researcher Martin Freiberg, is an attempt to arrange all known species (about 2.6 million) in an interactive...
Scientists from the University of Miami have discovered one 10,000 m2 brine pool and three minor pools of less than 10 m2 in the Gulf of Aqaba, a northern...
NASA’s independent study team will examine unidentified aerial phenomena (UAPs) from a scientific perspective. It will focus on identifying available...
After nine years of gathering, cleaning, processing and interpolating data, an international team of researchers this week released the second version...
NASA’s Lucy spacecraft successfully observed the May 15-16, 2022 total lunar eclipse from a unique vantage point, 100 million km (64 million miles) from...
GOES-18 (also known as GOES-T) is a new next-generation weather satellite of the National Oceanic and Atmospheric Administration (NOAA).
This image, taken...
For over 70 years, astronomers have been scanning for radio or optical signals from other civilizations in the search for extraterrestrial intelligence...
Using state-of-the-art analytical techniques, researchers have detected diverse suites of nucleobases — including canonical base pairs (e.g., adenine-uracil,...
The nature of Earth’s earliest crust and crustal processes remains enigmatic due to the almost complete lack of a rock record older than 4 billion years...
Cubic zirconia from the 28-km- (17.4-mile) wide Mistastin Lake crater in Canada required >2,370 degrees Celsius melt, which is hottest recorded on Earth’s...
In 2017, paleontologists found 3.75- to 4.28-billion-year-old microscopic filaments and tubes, which appeared to have been made by iron-loving bacteria,...
Biological structures frequently exhibit modularity and symmetry, but the origin of such trends is not well understood. It can be tempting to assume —...
An analysis of a photographic dataset for more than 4,500 species of passerine birds shows that male and female birds of tropical passerine species are...