Insulation provided by carbon dioxide ice above the martian polar caps could explain many of the Red Planet’s ancient river features.

New research suggests that about 3.6 billion years ago, Mars featured vast water flows and a lake rivaling the size of the ...

By 3.6 billion years ago, Mars should have become too cold for liquid water, but something kept the rivers flowing.

NASA's Parker Solar Probe is set to make its final flyby of Venus on Wednesday, setting up the spacecraft to become the closest human-made object to the Sun on Christmas Eve this year.

As a new administration steps in, America’s space program stands at a crossroads. We have an opportunity to refocus NASA on its founding mission: advancing technological leadership and driving ...

At 9:52 a.m. EST, the SpaceX Dragon spacecraft successfully docked to the forward port of the International Space Station's ...

While scientists know there’s water on the Moon, its exact locations and forms remain largely unknown. A trailblazing NASA mission will get some answers. NASA's Lunar Trailblazer mission, designed to ...

NASA’s Lunar Trailblazer mission, launching next year, aims to shed light on the mystery of water on the Moon.

Lunar Trailblazer to locate water and ice on the Moon. New instruments will map lunar water cycle in detail. Findings may support future lunar exploration missions.

A team led by researchers at Caltech in Pasadena are continuing to look for water on the moon, and their latest expedition ...

NASA recently announced that as of late October ... To understand solar maximum, let's start with the solar cycle. The solar cycle is the natural cycle of the Sun as it transitions between ...

A NASA observation satellite has imaged an oddly ... creating a standing wave while air at the crest of the wave cools down enough to form water vapor, which condenses into clouds.