Over the next couple of nights, five planets are expected to align in the sky. And you won't even need a telescope to see them (although binoculars will help).

The asteroid 2023 DZ2 will pass at a distance of over 100,000 miles, less than half the distance between the Earth and the moon. It's about 160 feet long — about the size of an airplane.

A strange comet-like object discovered over five years ago was the first known visitor from another solar system. Its movement was so odd that scientists struggled to explain it, until now.

A rocket made almost entirely of 3D-printed parts made its debut launch Wednesday night, passing a critical milestone. But it failed after three minutes of flight, crashing into the ocean.

On Monday and Tuesday, you may be able to catch a glimpse of Jupiter, Mercury, Venus, Uranus and Mars all at once.

Data from an old NASA spacecraft reveals a volcano erupted on the surface of Venus in 1991, a new study in Science says.

Scientists are pondering how to tell time on other celestial bodies. It's a lot harder than you might think.

The U.S.-Russian-Japanese crew returned to Earth late Saturday after spending five months at the International Space Station, arriving last October.

Less than two weeks after it was discovered, asteroid 2023 DW sits at the top of the "risk list" maintained by the European Space Agency.

Aderin-Pocock's interest in space travel goes back to her childhood. She hopes the doll will inspire girls that STEM is for them. STEM being science, technology, engineering and math.

NASA's Double Asteroid Redirection Test slammed a spacecraft into an asteroid, directly altering its path through space. Scientists are still studying the space rock to learn more.

China has put new focus on airships hovering in a part of the sky just before outer space. Although Beijing says they're scientific, analysts say the data helps the country develop advanced weapons.

The two brightest planets in Earth's night sky are millions of miles apart. But due to an astronomical quirk, they appear to be engaging in a cosmic dance tonight. Now that's a moment of awe.

SpaceX launched four astronauts to the International Space Station for NASA on Thursday, including the first person from the Arab world going up for an extended monthslong stay.

Scientists are finally publishing all the details of what happened when a NASA spacecraft smashed into an asteroid to try to push it off course in September of 2022.