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Astronomers discover ultra-close stars inside a planetary nebula

Astronomers have discovered two stars in a binary pair that complete an orbit around each other in a little over three hours, residing in...

What does a black hole look like?

At the center of our galaxy lies a swirling, energy-spewing supermassive black hole called Sagittarius A* or Sgr A*, for short. For billions of years,...

Water on Mars could hold more oxygen than previously thought

Given the right circumstances, water on Mars could hold more oxygen than previously believed, theoretically enough to support aerobic respiration A team led by scientists...

Gravitational waves could soon measure universe’s expansion

Twenty years ago, scientists were shocked to realize that our universe is not only expanding, but that it's expanding faster over time. Pinning down the...

How to measure the age of the Universe

The single most important puzzle in today's cosmology (the study of the universe as a whole) can be summarized in one question: How old...

NASA wants to send humans to Venus

Here’s why that’s a brilliant idea Popular science fiction of the early 20th century depicted Venus as some kind of wonderland of pleasantly warm temperatures,...

A Goblin could guide us to a mystery planet thought to exist in the...

Out in the depths of the Solar system, astronomers recently discovered a small, icy object, named 2015 TG387. First observed in October 2015, it has...

Would a Space Force mean the end of NASA

Space, that final frontier, is something that catches the attention of a country naturally inclined to believe in ideas like “Manifest Destiny” and American...

Plant hormone makes space farming possible

With scarce nutrients and weak gravity, growing potatoes on the Moon or on other planets seems unimaginable. But the plant hormone strigolactone could make it...
Milky Way's youngest pulsar exposes secrets of star's demise

Milky Way’s youngest pulsar exposes secrets of star’s demise

Scientists have confirmed the identity of the youngest known pulsar in the Milky Way galaxy using data from NASA's Chandra X-ray Observatory. This result could...