The Habitable Worlds Observatory is poised to tell us whether Earthlike planets are common—if it can get off the ground ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

NASA’s IMAP mission will explore the heliosphere and study how it shields Earth from cosmic radiation and space weather.

This NASA/ESA Hubble Space Telescope image features a galaxy that's hard to categorize. The galaxy in question is NGC 2775, ...

Scientists trying to work out whether a star exploded and the resulting debris crashed into Earth 10 million years ago may be one step closer to solving the mystery. They discovered an unusual amount ...

In 1995, the Hubble Space Telescope stared at a blank patch of sky - and revealed thousands of galaxies hidden in plain sight ...

Astronomers using the Hubble Space Telescope have uncovered the remains of a frozen, Pluto-like world being devoured by a ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their ...

The James Webb Space Telescope has captured infant stars carving peaks of dust and gas in the Pismis 24 star cluster.

But over the summer, 3I/ATLAS, has plunged toward the inner solar system—and the fireworks show has begun in earnest. When ...

An international team of astronomers has discovered a cosmic rarity: an ultra-massive white dwarf star resulting from a white dwarf merging with another star, rather than through the evolution of a ...