A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

Gleise 710, an orange dwarf star about 63 light years away, is on course to pass through the outer reaches of our solar system in about 1.2 million years, disturbing the distant Oort Cloud of icy ...

For millions of years, a fragment of ice and dust drifted between the stars—like a sealed bottle cast into the cosmic ocean.

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

The spacecraft will map the boundaries of the heliosphere, study how Earth’s outer atmosphere reacts to solar activity and ...

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now? The sun is powered by the nuclear fusion of hydrogen to helium, deep ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond. Now, as the BBC reports, new observations by the Gemini South ...

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and probing mysteries of the Universe. This year's budget expires at the end of ...

Some of the thickest hay in the meadow at Jack’s Solar Garden, in Longmont, Colorado, is on the west side under an elm tree. The tree offers shade, absorbs the brunt of afternoon sun, and keeps more ...

A major milestone in construction has arrived. This time from Western Australia. Contec Australia has completed the nation's first multi-story 3D concrete printed home. Located in Tapping near Perth, ...