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STEVE (Strong Thermal Emission Velocity Enhancement) is a thin ribbon of pinkish-red or mauve-colored light stretching from east to west, farther south...

The half-life of a process is the time after which half of the radioactive nuclei present in a sample have decayed away. Using the XENON1T dark-matter...

Measurements of today’s expansion rate do not match the rate that was expected based on how the Universe appeared shortly after the Big Bang over 13...

An international team of paleontologists has found the exceptionally preserved fossilized remains of an enigmatic new type of crab, Callichimaera perplexa,...

Two new species of the bird genus Zosterops (white-eyes) have been discovered in the forests of the Wakatobi Archipelago, Sulawesi, Indonesia. The Wakatobi...

Functional olfactory receptors — the sensors that detect odors in the nose — are also present in taste cells found on the human tongue, according...

The SEIS (Seismic Experiment for Interior Structure) instrument on NASA’s InSight lander detected the faint seismic signal on April 6, 2019, the lander’s...

A new study into one of the world’s oldest types of fish, the coelacanth, illuminates for the first time the development of the brain and skull of this...

The fabella (Latin for ‘little bean’), a small bone in a tendon behind the knee, was once rare in humans. Now, a team of researchers from the Department...

In 2018, a team of astronomers from the United States and Canada discovered that an ultra-diffuse galaxy called NGC 1052-DF2 (DF2 for short) contains virtually...

In celebration of the 29th anniversary of the launch of the NASA/ESA Hubble Space Telescope, astronomers captured this colorful look at the hourglass-shaped...

A gigantic meat-eating mammal has been discovered — after its jaw, portions of its skull, and parts of its skeleton spent several decades sitting...

When the Universe was still very young, only a few kinds of atoms existed. Astrophysicists believe that around 100,000 years after the Big Bang, ionized...

A meteor seen over the South Pacific, off the northern coast of Papua New Guinea, in 2014 likely came from interstellar space, according to new research...

Planetary researchers have long known that Earth and Mercury have metallic cores. Mercury’s core fills nearly 85% of the volume of the planet —...

NASA’s Transiting Exoplanets Survey Satellite (TESS) has discovered its first Earth-sized planet — HD 21749c. An artist’s conception of HD 21749c,...

A cometary building block has been discovered inside the LaPaz Icefield (LAP) 02342, a carbonaceous chondrite meteorite found in Antarctica in the 2000s. An...

Radar data from NASA’s Cassini spacecraft have revealed that small lakes in the northern hemisphere of Saturn’s hazy moon Titan are surprisingly deep...

According to a new study published in the journal Cell, modern Papuans carry hundreds of gene variants from two Denisovan lineages — distinct from...