Comet Nishimura: How and When to See It This Weekend

For the next few mornings, just before sunrise, the cosmic snowball will glow green low on…

SpaceX Needs to Make 63 Fixes Before Next Starship Launch, FAA Orders

The agency closed an investigation into what went wrong during an April flight of the massive…

How to Watch Japan’s SLIM Moon Lander and XRISM Telescope Launch Tonight

The telescope will help astronomers study the cosmos, while the lunar mission will aid the development…

Back to New Jersey, Where the Universe Began

A half-century ago, a radio telescope in Holmdel, N.J., sent two astronomers 13.8 billion years back…

India Launches Its First Solar Mission

The goal is to study the sun’s outer layers, to better understand its physics and dynamics…

Japan Will Launch XRISM Telescope and SLIM Moon Lander: How to Watch

The telescope will help astronomers study some of the most energetic places in the cosmos, while…

NASA’s New Air Pollution Satellite Will Give Hourly Updates

A new mission will provide hourly updates of air quality in the United States. …

India’s Moon Landing Offers Blueprint For Other Countries Dreaming Big

Its celebrated lunar landing produced not only a wave of pride at home but also a…

How a Harvard Professor Became the World’s Leading Alien Hunter

Avi Loeb’s single-minded search for extraterrestrial life has made him the most famous practicing astronomer in…

India Becomes Fourth Country Ever to Land on the Moon

The Chandrayaan-3 mission makes India the first country to reach the lunar south polar region in…