A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

Venus, the brightest planet we see from Earth, will reach its maximum brightness in the evening on the western horizon after ...

Astronomers have identified the closest ever Einstein ring, a rare phenomenon where light from a further-off galaxy is bent by the gravity of a galaxy closer to Earth. The ring was previously ...

ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

Launched in 2016 by the late Stephen Hawking and tech investor Yuri Milner, Breakthrough Starshot aims to send miniature probes to Alpha Centauri, the closest star system to Earth. The plan relies ...

For example, the nearest star to Earth, Proxima Centauri, is located about 4.24 light-years away. This means that the light we see from Proxima Centauri today actually left the star 4.24 years ago.