Why do the planets in the solar system orbit on the same plane? By JoAnna Wendel About 4.5 billion years ago, the solar system was just a giant, spinning cloud of gas and dust. Today, it's flat. Here's how that happened.
Could a spaceship fly through a gas giant like Jupiter? By JoAnna Wendel These planets are mostly made of gas, but a spaceship would have a rough time trying to get through a giant planet like Jupiter or Saturn.
What would happen if the moon were twice as close to Earth? By JoAnna Wendel Higher tides, bigger earthquakes, and more frequent volcanic eruptions would plague the planet.
Private companies find role in developing nuclear power for space travel By JoAnna Wendel The private sector wants to bring nuclear power to space to enable faster and more efficient space travel.
Not enough Americans understand the need for Space Force, a top commander says By JoAnna Wendel Space Force vice commander Lt. Gen. David Thompson urges Americans to better understand the need to be prepared for military actions in space.
SpaceX optimistic about May crewed mission as launch industry leaders monitor coronavirus By JoAnna Wendel Commercial launch leaders are optimistic that the industry will survive the current outbreak of coronavirus.
SpaceX CEO Elon Musk explains why we need a 'whole new architecture' for space travel By JoAnna Wendel SpaceX CEO Elon Musk says humanity needs a "whole new architecture" to fly in space beyond low Earth orbit.
Private companies aim to help blaze a new trail to the moon By JoAnna Wendel Private companies have plans to foster a new age of sustainable space travel. Their first stop? The moon.
House committee staff members defend NASA authorization bill By JoAnna Wendel House Science Committee staff members insist that their bill does not preclude NASA's lunar exploration goals. Others feel differently.
NASA unveils 16 payloads that private lunar landers will take to the moon By JoAnna Wendel The science gear will fly aboard robotic landers built by two private companies: Pittsburgh's Astrobotic and Houston's Intuitive Machines.
Perseus Constellation: Facts About the Hero By JoAnna Wendel Perseus is one of the largest constellations and is home to one of the most famous stars in our sky.
Jupiter's Great Red Spot: Our Solar System's Most Famous Storm By JoAnna Wendel It's been a great, enormous storm for more than a 100 years. But will Jupiter's Great Red Spot last much longer?
When Will the Sun Die? By JoAnna Wendel Are you worried about the sun suddenly blinking out? Never fear — our star still has billions of years left to shine.
What Is NASA's Wide Field Infrared Survey Telescope (WFIRST)? By JoAnna Wendel NASA’s future flagship telescope, WFIRST, will help us find potentially habitable exoplanets and study a mysterious phenomenon called dark matter.
