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Aerospace

What caused Eta Carinae’s 1840 “Great Eruption”

In 1840 an unassuming star in the Southern Hemisphere brightened suddenly. What had been a 5th magnitude star became so bright by 1843 that it...

NASA’s Hubble sees a mysterious flash in between galaxies

While the night sky may appear tranquil (and incredibly beautiful), the cosmos is filled with constant stellar explosions and collisions. Among the rarest of these...

Could modified gravity be the answer to Planet 9

As students advance to higher and higher physics courses, they eventually learn that the simple Newtonian dynamics they learned about in early classes aren’t...

The Vela pulsar’s stunning light show: record-breaking gamma rays unveil more mysteries

Imagine the remnants of a star, barely 20 kilometers across, flashing bright beams across the universe in a rhythmic, lighthouse-like pattern. This isn’t a figment...

Magnetic fusion plasma engines could carry us across the solar system and into interstellar...

Missions to the Moon, missions to Mars, robotic explorers to the outer Solar System, a mission to the nearest star, and maybe even a...

A star threw off a sun’s worth of material. And then it exploded!

What happens just before a massive star explodes as a supernova? To figure that out, astronomers need to look at very “young” supernovae across multiple...

Could mysterious cosmic movements debunk the hunt for planet nine?

In a celestial twist, two theoretical physicists, Harsh Mathur and Katherine Brown, have proposed an idea that shakes our pursuit for a potential ninth...

Astronomers watched a massive star disappear. JWST might have some answers

In 2009 a giant star 25 times more massive than the sun simply vanished. OK, it wasn't quite that simple. It underwent a period...

Orion Nebula unveils its secrets through James Webb Space Telescope’s lens

Known as one of the brightest spectacles in the night sky, the Orion Nebula, or Messier 42, has been an object of fascination for...

Scientists are unlocking the secrets of metallic asteroid Psyche

Imagine a rock, floating in space, that's so full of metal it could be the core of a failed planet! This isn’t a sci-fi plot,...