A distant world with carbon in its atmosphere and extraordinarily high temperatures is unlike any other planet we’ve seen, ...

The interstellar visitor 3I/ATLAS is coming near Earth this week and stargazers can see it before it vanishes into deep space ...

New laboratory studies could shed light on a rock containing potential signs of alien life that’s stranded on Mars ...

Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

The researchers showed that isotopes of supernovae, in particular Zr-96, were transported through interstellar space in the ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.