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 ...

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

The neutrino was 30 times more energetic than any other previously observed particle of its kind. Scientists still don’t know ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

RCW 38 lies approximately 5,500 light-years away in the constellation Vela. Unlike many star clusters that appear as simple ...

Webb Telescope captures stunning new images of HH 30, revealing a dynamic protoplanetary disc where planets form.

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 ...

New findings explain the Phoenix cluster's mysterious starburst. Data confirm the cluster is actively cooling and able to generate a huge amount of stellar fuel on its own.