The first exoplanet ever discovered in 1995 was what we now call a "hot Jupiter," a planet as massive as Jupiter with an ...
The Why Files on MSN
What really happened to the planet between Mars and Jupiter
For decades, some scientists argued that our solar system showed signs of ancient catastrophe. A missing planet between Mars ...
The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
Exclusive: Kerry Ellis, Louise Dearman and Rachel Tucker have added more tour stops for Gravity, a concert celebrating their careers across the West End and Broadway.
This cosmic phenomenon will put on one heck of a show this weekend, and the moon will cooperate too—so don’t miss it.
A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...
Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.
The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...
I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.
The James Webb Space Telescope finds WASP-121b leaking two long helium tails, offering new insight into atmospheric escape on hot Jupiter exoplanets ...
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