A comet depicted in medieval times in the Bayeux tapestry.
In medieval times natural phenomena, such as comets and eclipses, were regarded as portents of natural disasters, including plagues.
The Moon passes in front of the Sun during this eclipse at Lake Bolac, Victoria, April 29, 2014.
On December 26 a solar eclipse will be visible from northern Australia, southern Asia and parts of the Middle East.
The size of the Moon can be deceptive when viewed from Earth.
Just 12 people have walked on the Moon and they'll know better than anyone just how big (or small) the place is. But we can make some comparisons with things on Earth to get a measure of the Moon.
The moon covers much of the sun during the total solar eclipse, in Merlo, San Luis, Argentina, July 2 2019.
While the world gathers to see an eclipse, what's the rest of nature doing?
Rocket Lab successfully launched its Electron rocket from the company’s complex on the Māhia Peninsula in New Zealand.
There are plenty of astronomical things to watch out for this year beyond this week's lunar eclipse, including new Moon landings and a space station falling back to Earth.
Eclipses are fun, but no one wants to be left in the dark by a blackout.
The solar eclipse offered electricity network operators a "live drill" in how to cope with fluctuating output from renewable energy. They passed with flying colours.
A total solar eclipse will be visible across parts of the United States Aug. 21, treating amateur and professional astronomers alike to sights similar to this NASA’s Solar Dynamics Observatory ultraviolet image of the moon eclipsing the sun on Jan. 31, 2014.
If you've ever wondered why you can look at a solar eclipse and why it can harm your eyes, the answer is in the sun's rays.
Have telescopes, will travel: English astronomers await an 1871 eclipse in India.
The Illustrated London News, 1872
For centuries, scientists have known when and where eclipses will be visible. They pack their bags, head for the line of totality and hope for the best – which doesn't always happen.
People reject science such as that about climate change and vaccines, but readily believe scientists about solar eclipses, like this one reflected on the sunglasses of a man dangerously watching in Nicosia, Cyprus, in a 2015 file photo.
(AP Photo/Petros Karadjias)
People universally believe scientists' solar eclipse calendars, but vaccine warnings or climate predictions are forms of science that strangely do not enjoy equivalent acceptance.
The eclipse will be one of the most digitally recorded events ever. Here's how to be part of it.
A solar eclipse observed over Grand Canyon National Park in May 2012.
Grand Canyon National Park
More than 2,000 years ago, the Babylonians understood the cycle of eclipses. They also regarded them as signs that could foretell the death of a king.
Hiscox and students practice for the big day with a weather balloon.
Meteorology researchers across the country are prepping experiments for the mini-night the eclipse will bring on August 21 – two minutes and 36 seconds without the sun in the middle of the day.
NASA’s projection of the August 21 solar eclipse.
An astronomer explains how and why – and when – eclipses happen, what we can learn from them, and what they would look like if you were standing on the moon.
NASA’s Juno probe will be the fastest object humanity has ever created when it approaches Jupiter.
From the high-speed journey to Jupiter to solar eclipses, meteor showers and planetary alignments visible in the skies above -- add these space highlights to your 2016 calendar.
A lucky gap in the clouds.
A solar eclipse is something to behold, but they're rare and useful events for testing scientific theories too.
The first bite of the apple.
British weather let you down? Watch a livestream of the solar eclipse from the University of Nottingham.
As visible from Europe (weather permitting).
Solar eclipses may not be a once in a lifetime event, but being able to see them from home is rare enough.
Cool, now whose turn is it to make the tea?
Ramon de la Rocha / EPA
A solar eclipse knocks out Europe's solar power generation while also causing a huge surge once people get bored. It's a unique energy challenge.
Hey Jupiter and Io, I’m on my way to Pluto.
There is no doubt that 2014 was a fantastic year for planetary sciences – the high points were the successful landing of Philae on comet 67P, the discovery of methane by the Curiosity rover on Mars and…
Eclipse at sunrise over Richmond, Virginia, USA in November 2013.
Sky Noir (Bill Dickinson)/Flickr
Each month, at the time of new moon, the sun and moon are together in the daytime sky. Most of the time the moon passes by unnoticed. But at least twice a year, somewhere on Earth will see the moon pass…