Astronomers are finding new exoplanets in other parts of the galaxy all the time. So why is it so hard to pin down exactly what is orbiting our own sun?
For almost 40 years, astronomers have wondered whether an anomalous 72-second signal from space may have been a communication attempt by extraterrestrials.
On Oct. 28, the spacecraft Cassini will sweep through this liquid and analyze its cocktail of chemicals to give scientists an understanding of the moon’s alien ocean.
NASA’s Mars Curiosity rover has measured a tenfold spike in methane, an organic chemical, in the atmosphere around it and detected other organic molecules in a rock-powder sample collected by the robotic laboratory’s drill.
Exoplanets are prime targets in the search for extraterrestrial life, but intense heat during early years may have left some uninhabitable, say astronomers.
Astronomers are finding new exoplanets in other parts of the galaxy all the time. So why is it so hard to pin down exactly what is orbiting our own sun?
For almost 40 years, astronomers have wondered whether an anomalous 72-second signal from space may have been a communication attempt by extraterrestrials.
On Oct. 28, the spacecraft Cassini will sweep through this liquid and analyze its cocktail of chemicals to give scientists an understanding of the moon’s alien ocean.
NASA’s Mars Curiosity rover has measured a tenfold spike in methane, an organic chemical, in the atmosphere around it and detected other organic molecules in a rock-powder sample collected by the robotic laboratory’s drill.
Exoplanets are prime targets in the search for extraterrestrial life, but intense heat during early years may have left some uninhabitable, say astronomers.