FRIDAY, JANUARY 17 ■ Here it is the coldest very bottom of the year (on average). But the Summer Star, Vega, is...
Britain’s highest aqueduct Thomas Telford’s Pontcysyllte Aqueduct is the centrepiece of a world heritage site that crosses three counties and two countries....
SpaceX launched its Starship rocket on its latest test flight, but the spacecraft was destroyed following a thrilling booster catch back at...
Comparison of two mid-infrared images taken by the James Webb Space Telescope. At center is Wolf-Rayet 140, two massive stars in elongated...
Shots from BepiColombo’s recent Mercury flyby. ESA / BepiColombo / MTM This is a year for flybys, and the very first one...
FRIDAY, JANUARY 10 ■ This evening the Moon shines in line with Jupiter and Aldebaran, as shown below. How exactly in line?...
This montage of Hubble imagery shows the four bright planets — Jupiter, Saturn, Mars, and Venus — and the two fainter ones,...
We used to think that the crash that built Pluto and Charon totally obliterated the impactor and built two brand-new worlds out...
The Crab Nebula in Taurus is the six-light-year-wide remnant of a supernova explosion seen in 1054 AD. This composite image was assembled...
Each night an annual parade of constellations passes above our heads but there are always exciting, less frequent events to look out...
While fireworks are a traditional way to welcome the new year, a natural phenomenon will be lighting up the northern sky this...
It’s summer in Australia and that means many of us head out of the city and off to a remote camping site,...
Loutro, Crete, Greece Depending on how you look at it, Loutro is either deeply inhospitable or a rare slice of seaside perfection. Backed...
A Falcon 9 rocket launches with Blue Ghost NASA / Frank Michaux A SpaceX Falcon 9 rocket headed skyward early this morning,...
Clouds thwarted Petr Horálek’s attempt to see Comet ATLAS on Jan. 14th, so he drove from Slovakia to Hungary over 400 kilometers...
The dark skies above the European Southern Observatory’s Paranal Observatory, home to the Very Large Telescope, yield breathtaking views so clear and...