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Mysterious x-rays may be first sign of ghost particles

Mysterious X-rays detected from nearby neutron stars may offer the first evidence of axions, hypothetical particles that could help unravel secrets about dark matter,...

6 things to know about NASA’s Mars helicopter on its way to Mars

When NASA’s Perseverance rover lands on Mars on Feb. 18, 2021, it will be carrying a small but mighty passenger: Ingenuity, the Mars Helicopter. The...

Scientists discovers four exoplanets orbiting a nearby sun-like star

MIT researchers have discovered four new exoplanets orbiting a sun-like star just over 200 light-years from Earth. Because of the diversity of these planets and...

How heavy is dark matter? it is tighter than previously thought

Scientists have calculated the mass range for dark matter - and it's tighter than the science world thought. Their findings - due to be published...

Women’s menstrual cycles synchronize with moon cycles, study shows

In a new study, researchers used scientific methods to examine the connection between lunar and women's menstrual cycles. They suggest that in ancient times, human...

Sign of life in Venus’ cloud? Maybe not

In September, a team led by astronomers in the United Kingdom announced that they had detected the chemical phosphine in the thick clouds of...

Tidal dwarf galaxy findings reveal how stars form

A lot is known about galaxies. We know, for instance, that the stars within them are shaped from a blend of old star dust and...

Ancient Mars was more like Iceland than Idaho

New study indicates that, more than 3 billion years ago, seasons in Gale Crater on Mars were probably something like those in Iceland. The ancient...

Astronomers estimate Titan’s largest sea is 1,000 feet deep

Far below the gaseous atmospheric shroud on Saturn’s largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Cornell astronomers have estimated that sea...

The 7 rocky planets orbiting TRAPPIST-1 may be made of similar stuff

The TRAPPIST-1 star system is home to the largest batch of roughly Earth-size planets ever found outside our solar system. Discovered in 2016 some 40...