When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

This has been a most interesting year to follow Mars. If you've been monitoring the Red Planet since the start of 2025, you have no doubt noted the dramatic change in its brightness as well as the ...

Look to the west on the nights following June 18 to see Mars sweep past the bright star Regulus to enter the Spring Triangle - a formation of three prominent stellar bodies that are visible as spring ...

Two rare twilight pairings will grace the June 2025 sky as the moon first passes close to elusive Mercury and then gets stunningly close to Mars. Mercury is typically difficult to see and the ...

The new moon on Aug. 23 at 2:06 a.m. EDT (0606 UTC) is also a black moon, defined as the third new moon in a season that will see four new moons. Three days later, the moon will make a close pass to ...

The planet Mars currently appears rather dull and uninteresting in the night sky, yet it is also drawing nearer to us with each passing day. As we noted last month, 2011 is an "off year" for the ...

Local researchers are developing nuclear power, propulsion systems, and medical technology for NASA's ambitious plans to ...

Combing through 20 years of images from the European Space Agency's Mars Express and ExoMars Trace Gas Orbiter spacecraft, ...

For this week’s Fault Lines column, Jon Allsop is filling in for Jay Caspian Kang. In 1877, Giovanni Schiaparelli, an Italian astronomer (and uncle of the fashion icon Elsa), started making a map of ...