Martian methane mystery: Decoding gas secrets for clues of life on Mars
Imagine you're a detective trying to solve a mystery on Mars.
Your clue? Bursts of methane, a gas that on Earth is mostly made by...
Why Venus died
Venus is only slightly smaller than the Earth, and so has enjoyed billions of years of a warm heart. But for this planet, sometimes...
Why Mars Died
We know of Mars as the Red Planet, for its surface and atmosphere is caked in endless swirling dust of rusted iron, the rusting...
75 Years Later, Palomar Observatory Still Shaping Astronomy
Formerly the world’s largest working telescope for more than 40 years, the facility remains cutting-edge thanks to new instrumentation.
"It's on the money," said Paul...
This galaxy hosted one of the most powerful supernovae ever seen
In 2010, an exceptionally luminous supernova exploded in a small galaxy about 150 million light-years away called UGC 5189A.
The Hubble Space Telescope has kept...
Saturn’s moon Enceladus: A new hope for discovering alien life
A small moon of Saturn named Enceladus is making waves in the scientific community as a top candidate for hosting life beyond Earth.
A study...
Astronomers uncover massive black holes in early universe, challenging previous theories
Astronomers have made a startling discovery about young, distant galaxies: their central black holes are much bigger than we ever thought.
This finding, made possible...
This is the oldest black hole ever seen
There’s an incredibly ancient black hole out there that’s challenging astronomers to explain how it could exist only 400 million years after the Big...
Scientists are searching for dark matter in gaps between stars
Imagine a universe filled with invisible matter that holds the key to many cosmic mysteries.
This is the world of dark matter, a mysterious substance...
New study reveals the mystery of Mars’ ancient waterways
Once upon a time, Mars, now a vast red desert, was home to flowing rivers and valleys, much like Earth.
Understanding how these Martian valleys...