The exoplanet, discovered in 2009, remained elusive due to dense clouds. Now, scientists have peered through with the James ...

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Researchers have captured an extremely rare image of a cosmic filament connecting two galaxies when the universe was just two ...

ATLANTA — The chance of Asteroid 2024 YR4 hitting Earth has doubled, now sitting at 2.3 percent. The headlines alone can make one nervous. So, is it something to be concerned about?

While radio jets are relatively common in the nearby Universe, they have been elusive in the early Universe. This is partly ...

"I find this asteroid to be extremely exciting! This is the last chance we have to observe the asteroid from Gemini before 2028." ...

A stunning Valentine's view of a nebula contains hidden depths of starbirth and the violent deaths of massive stars.

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

A unique dataset of Type Ia Supernovae being released today could change how cosmologists measure the expansion history of ...