TBD: ULA’s Vulcan launches U.S. space force missions. April could also see United Launch Alliance’s (ULA) Vulcan Centaur ...

In contrast, the Fram2 mission's 90-degree inclination means it will pass directly over both the North and South Poles. This ...

SpaceX is set to launch the first human spaceflight directly over Earth's polar regions on Monday—a days-long, privately ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

One moment occurred in 1984 when NASA astronaut Bruce McCandless II became the first human to spacewalk or float free from ...

Earth crosses through Saturn’s “ring plane,” making the gas giant’s most iconic feature become nearly invisible ...

Using explosives to create beauty rather than warfare and violence provides a sliver of hope for our shared human future.” ...

A breathtaking cosmic dance unfolds as the Webb Telescope captures a star's birth, set against a spiral galaxy's mesmerizing ...

Experts have unveiled details of SIMP 0136, a floating planetary mass thought to be around 20 light-years away from the Earth ...