Marty Scott is the astronomy instructor at Walla Walla University, and also builds telescopes and works with computer simulations. He can be reached at firstname.lastname@example.org.
News that the rover Curiosity has found methane on the surface of Mars is exciting because, on Earth, 95 percent of the methane in our atmosphere is created by microbial organisms.
The winter solstice — the beginning of winter in the northern hemisphere — occurred last Sunday at 2:57 p.m. local time. This is good news and bad news for astronomers.
One of the questions that puzzled mission scientists before Curiosity landed in Gale Crater on Mars was how there could be a 3.4-mile-high mountain in the middle of an impact crater.
You may have noticed the days are getting shorter and the nights are getting longer. You may have also noticed the sun appears to be moving south, getting closer to the southern horizon each day.
Data collected by the Curiosity rover are challenging our understanding of Martian geology, as members of the Geological Society of America learned last month when several presentations at their annual meeting featured analysis of these data.
The European Space Agency is about to pull off a first — landing a spacecraft on the nucleus of a comet.
In the past few weeks I’ve been asked several questions about the northern lights, also called the aurora borealis. In this month’s column I will answer some of these questions and introduce you to this mysterious and unpredictable display of light in the night sky.
Curiosity has reached the base of Mount Sharp. The Mars rover’s wheels are now on material that is part of the mountain, material different from the type Curiosity landed on two years ago.
When you see images and hear reports from NASA missions, do you ever wish that you could be part of the team? If so, your wish may be coming true.
Curiosity still has the pedal to the metal on its journey to Mount Sharp, the layered mountain amid the crater where the Mars rover landed