Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our planet will be around 2.5 million kilometers ( 1.5 million miles) closer to the ...

NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest Sun-like star to Earth. Located just 4 light-years away, this possible ...

A "super-Earth" has been discovered orbiting the closest single star to our Sun, scientists said Wednesday in a breakthrough that could shine a light on Earths nearest planetary neighbours.

How close to Earth could we find the next Earth-like exoplanet? This is what two papers accepted in The Astrophysical Journal Letters hopes to address as a team of more than two dozen researchers ...

Robert Thorburn Ayton Innes, born in 1861, discovered Proxima Centauri in 1912, initially suspecting it as a third member of the Alpha Centauri system. At the time of this hypothesis, Alpha Centauri A ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday (Dec. 18 to 19). Here’s how to see it.

These hot August nights can be great for stargazing. Here’s a look at what’s going on above us right now and later in the month. The expression “dog days” refers to the period from July 3 through Aug.