The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. A spectacular trio of merging galaxies in the constellation Boötes takes ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Radio astronomers have directly measured the distance to a faraway galaxy, providing a valuable “yardstick” for calibrating large astronomical distances and demonstrating a vital method that could ...

Radio astronomers have directly measured the distance to a faraway galaxy, providing a valuable "yardstick" for calibrating large astronomical distances and demonstrating a vital method that could ...

All fundamental forces operating on astronomical scales exhibit a decrease in strength with increasing distance. A hypothetical force, decreasing with distance slower than the inverse square law, ...

NASA's Hubble Space Telescope spotted a blazing heat from a bright, lonely spiral galaxy called UGC 9391. But even though it lacks a companion, it serves as a guiding light for every astronomer who is ...

The Sun is the most important star in our solar system, acting as the central force around which all planets—including ...